CHANGES IN VERSION 1.10.4
-------------------------
 o Fixed a bug in readMzTabData reported by Hendrik Weisser [2014-03-26 Wed]

CHANGES IN VERSION 1.10.3
-------------------------
 o updated makeMTD to accomodate new MS ontology [2013-12-23 Mon]

CHANGES IN VERSION 1.10.2
-------------------------
 o updated mzTab example files to new url [2013-11-15 Fri]
 o warning about mzTab versions [2013-11-15 Fri]
   (same as 1.11.3)

CHANGES IN VERSION 1.10.1
-------------------------
 o document na.rm in combineFeatures Rd <2013-10-18 Fri>
   (same as 1.11.1)

CHANGES IN VERSION 1.10.0
-------------------------
 o New devel version for Bioc 2.13

CHANGES IN VERSION 1.9.12
-------------------------
 o fix MSnSet -> ExpressionSet <2013-10-13 Sun>
 o MSnSet -> ExpressionSet unit test <2013-10-13 Sun>

CHANGES IN VERSION 1.9.11
-------------------------
 o MIAPE to MIAME conversion <2013-10-11 Fri>
 o proper MIAME when MSnSet -> ExpressionSet <2013-10-11 Fri>

CHANGES IN VERSION 1.9.10
-------------------------
 o faster plotMzDelta <2013-09-28 Sat>
 o faster plotMzDelta for mzRramp instances <2013-09-29 Sun>
 o chromatogram method <2013-10-04 Fri>
 o plotMzDelta has subset arg <2013-10-04 Fri>
 o xic method <2013-10-04 Fri>
 o suggesting msdata for chromatogram example <2013-10-04 Fri>
 o renamed plotting arg 'centroided.' <2013-10-04 Fri>

CHANGES IN VERSION 1.9.9
------------------------
 o typo in filterNA Rd <2013-09-18 Wed>
 o writeMgfData now has a progress bar <2013-09-24 Tue>
 o centroided(MSnExp) <- TRUE now allowed <2013-09-24 Tue>

CHANGES IN VERSION 1.9.8
------------------------
 o using new.env(parent=emptyenv()) to get rid of enclosing env 
   when creating new MSnExps <2013-09-17 Tue>
 o new (private) MSnExp.size function <2013-09-17 Tue>

CHANGES IN VERSION 1.9.7
------------------------
 o Passing ... to read.table in MSnbase:::readIspy[Silac|15N]Data <2013-09-16 Mon>
 o QualityControl biocView <2013-09-16 Mon>

CHANGES IN VERSION 1.9.6
------------------------
 o new as.data.frame.MSnSet method <2013-08-16 Fri>
 o new ms2df function <2013-08-16 Fri>
 o new getEcols and grepEcols helpers for readMSnSet2 <2013-08-16 Fri>

CHANGES IN VERSION 1.9.5
------------------------
 o typo in Author[s]@R <2013-05-15 Wed>

CHANGES IN VERSION 1.9.4
------------------------
 o new simple MSnSet constructor <2013-05-07 Tue>

CHANGES IN VERSION 1.9.3
------------------------
 o Using knitr as VignetteEngine <2013-04-29 Mon>
 o Remove LazyLoad from DESCRIPTION, 
   which is default nowadays <2013-04-29 Mon>
 o knitr dependency > 1.1.0 for VignetteBuilder <2013-04-29 Mon>
 o Adding MSnSet creating sections in io vignette <2013-04-29 Mon>
 o new readMSnSet2 function <2013-04-30 Tue>

CHANGES IN VERSION 1.9.2
------------------------
 o clean has now a all param (default FALSE is retain original behavious)
   to remove all 0 intensity values <2013-04-17 Wed>
 o using BiocGenerics::normalize <2013-04-25 Thu>

CHANGES IN VERSION 1.9.1
------------------------
 o new logging utility function to update an MSnSet's 
   processingData(object)$processing <2013-03-29 Fri>
 o Proper logging in t.MSnSet <2013-03-29 Fri>

CHANGES IN VERSION 1.9.0
------------------------
 o new Bioc 2.13 devel version 

CHANGES IN VERSION 1.8.0
------------------------
 o new Bioc 2.12 stable version 

CHANGES IN VERSION 1.7.25
-------------------------
 o updated itraqdata to fix issue in vignette when 
   combine(exp1, exp2) and different MIAPE versions 
   <2013-03-22 Fri>

CHANGES IN VERSION 1.7.24
-------------------------
 o Mention scale in vignette <2013-03-02 Sat>
 o exprsToRatio matrix method <2013-03-20 Wed>

CHANGES IN VERSION 1.7.23
-------------------------
 o new private nologging function <2013-02-21 Thu>
 o adding total number of features on plotNA <2013-02-22 Fri>
 o updated msnbase.r <2013-02-26 Tue>

CHANGES IN VERSION 1.7.22
-------------------------
 o msnbase.r na.rm arg <2013-02-20 Wed>

CHANGES IN VERSION 1.7.21
-------------------------
 o Added impute method  <2013-02-19 Tue>

CHANGES IN VERSION 1.7.20
-------------------------
 o Explicitating that normalise and normalize are the same 
   methods in the man. <2013-02-13 Wed>

CHANGES IN VERSION 1.7.19
-------------------------
 o adding MIAPE and pSet accessors: analyserDetails, analyzerDetails, 
   ionSourceDetails, instrumentModel, instrumentManufacturer, 
   instrumentCustomisations <2013-02-12 Tue>
 o switching back to analyserDetails slot <2013-02-12 Tue>

CHANGES IN VERSION 1.7.18
-------------------------
 o readMgfData now supports comments and 
   PEPMASS with precursor mz and intensity,
   requested by Thomas Taus <2013-02-11 Mon>
 o improved and running read/writeMgfData 
   example <2013-02-11 Mon>
 o new scanIndex accessor method <2013-02-11 Mon>  

CHANGES IN VERSION 1.7.17
-------------------------
 o added a analyzer accessors/slot to accomodate new mzTab 
   files with more meta-data  <2013-01-30 Wed>

CHANGES IN VERSION 1.7.16
-------------------------
 o fixing knitr 1.0 compatibility <2013-01-15 Tue>

CHANGES IN VERSION 1.7.15
-------------------------
 o new scale method <2013-01-11 Fri>
 o renaming scale.mean and scale.median normalisation 
   methods to center.mean and centre.median <2013-01-11 Fri>

CHANGES IN VERSION 1.7.14
-------------------------
 o new unexported readIspy15NData <2013-01-09 Wed>
 o min.int readIspy[Silac|15N]Data arg <2013-01-11 Fri>

CHANGES IN VERSION 1.7.13
-------------------------
 o msnbase.r v0.1.1 with -h (help) arg <2013-01-08 Tue>
 o msnbase.r coerce -b arg to numeric <2013-01-08 Tue>
 o testing if any features left in readIspyData <2013-01-08 Tue>

CHANGES IN VERSION 1.7.12
-------------------------
 o updated makeImpuritiesMatrix to create matrix from 
   csv file with correction factors <2012-12-23 Sun>
 o makeImpuritiesMatrix test <2012-12-23 Sun>
 o readIspyData: message instead of warning if NA in 
   featureData <2012-12-24 Mon>
 o Added msnbase.r script <2012-12-24 Mon>

CHANGES IN VERSION 1.7.11
-------------------------
 o new 'pattern' argument to filterNA <2012-12-15 Sat>
 o vignette and man updates <2012-12-15 Sat>
 o filterNA(, pattern) tests <2012-12-15 Sat>

CHANGES IN VERSION 1.7.10
-------------------------
 o new droplevels.MSnSet S3 method <2012-12-14 Fri>
 o fixed errors in vignette and udpates <2012-12-14 Fri>
 o vignette build stops in case of error <2012-12-14 Fri>

CHANGES IN VERSION 1.7.9
------------------------
 o Updating processing data on readIspyData <2012-12-05 Wed>
 o filterNA has a droplevels arg <2012-12-05 Wed>
 o featureCV's default cv.norm is 'sum' now <2012-12-11 Tue>
 o fixed featureCV for 1 sample <2012-12-11 Tue>

CHANGES IN VERSION 1.7.8
------------------------
 o new featureCV function <2012-12-04 Tue>
 o more MSnSet combineFeatures tests <2012-12-04 Tue>
 o new TMT6 impurity matrix and fixed 
   purityCorrect <2012-12-05 Wed>
 o combineFeatures now automatically computes 
   feature CVs (using featureCV) and collates this 
   in featureData <2012-12-05 Wed>
 o new exprsToRatios method (moved from pRoloc) <2012-12-05 Wed>
 o initial implementation of impurity correction using
   Cramer's rule (see MSnbase:::cramer4) <2012-12-05 Wed>

CHANGES IN VERSION 1.7.7
------------------------
 o added scale.mean and scale.median MSnSet normalisation 
   method <2012-11-30 Fri>
 o improvements to readMSData <2012-11-30 Fri>
 o small updates to caching code, max level 2 <2012-11-30 Fri>
 o readMSdata test <2012-12-01 Sat>

CHANGES IN VERSION 1.7.6
------------------------
 o Fixed bug in readIspyData, reported by 
   Claire Mulvey <2012-11-27 Tue>

CHANGES IN VERSION 1.7.5
------------------------
 o dropping levels in readIspySilacData <2012-11-06 Tue>
 o fixed plotNA <2012-11-09 Fri>

CHANGES IN VERSION 1.7.4
------------------------
 o exporting log method <2012-11-02 Fri>
 o private readIspySilacData function <2012-11-05 Mon>
 o updating '['-MSnSet to log intial/final dims <2012-11-05 Mon>

CHANGES IN VERSION 1.7.3
------------------------
 o updating readMzTabData to properly capture 
   experiment description <2012-10-12 Fri>

CHANGES IN VERSION 1.7.2
------------------------
 o fixed readMSData for MS1 <2012-10-08 Mon>

CHANGES IN VERSION 1.7.1
------------------------
 o fixed vignettes <2012-10-02 Tue>

CHANGES IN VERSION 1.7.0
------------------------
 o Version bump for next devel release <2012-10-01 Mon>

CHANGES IN VERSION 1.5.25
-------------------------
 o fixed bug when quantifying exp of length 1 (reported 
   by Colin Archer), added test <2012-09-26 Wed>
 o fixed parallel default to FALSE <2012-09-26 Wed>

CHANGES IN VERSION 1.5.24
-------------------------
 o updated clean, removePeaks, combineFeatures, purityCorrect, 
   trimMz, plot, MSnSet-class examples to not use readMSData <2012-09-25 Tue>
 o fixed clean,MSnExp-method <2012-09-25 Tue>
 o space in log message in extractPrecSpectra <2012-09-25 Tue> 

CHANGES IN VERSION 1.5.23
-------------------------
 o updated quantify documentation <2012-09-24 Mon>
 o changed all foo.class functions to foo_class <2012-09-24 Mon>

CHANGES IN VERSION 1.5.22
-------------------------
 o setting parallel default to FALSE <2012-09-22 Sat>
 o enhanced parallel in DESCRIPTION and detectCores() 
   passed to registerDoMC <2012-09-23 Sun>

CHANGES IN VERSION 1.5.21
-------------------------
 o removed registerDoMC no visible global function NOTE <2012-09-21 Fri>
 o fixed NOTE about xvarname which was a bug <2012-09-21 Fri>

CHANGES IN VERSION 1.5.20
-------------------------
 o an immediate warning is thrown is any(centroided(object)) 
   in quantify.MSnExp <2012-09-15 Sat>
 o mzTab file and loading time is now recorded in 
   processingData <2012-09-15 Sat>
 o temporarily dontrun'ing' the mzTab read/write examples 
   as OLS is down (and breaks rols) (note: modifed Rd files, 
   not roxygen template) <2012-09-15 Sat>

CHANGES IN VERSION 1.5.19
-------------------------
 o updated all ReporterIons rda data <2012-09-13 Thu>
 o Using && in testing parallel, require(foreach and doMC) <2012-09-14 Fri> 

CHANGES IN VERSION 1.5.18
-------------------------
 o new log method for MSnSet instances <2012-09-13 Thu> 
 o new MAplot methods using generic and ma.plot/mva.pairs 
   from affy <2012-09-13 Thu>

CHANGES IN VERSION 1.5.17
-------------------------
 o changed TMT7[7] mass from 229.26 to 230.17 and 
   ReporterIons descriptions <2012-09-12 Wed>

CHANGES IN VERSION 1.5.16
-------------------------
 o parallel quantify is now always set to 
   FALSE on Windows, fixing example checking 
   issues <2012-09-11 Tue>
 o fixed types in plotMzDelta man <2012-09-11 Tue>

CHANGES IN VERSION 1.5.15
-------------------------
 o updating code to ggplot2 v0.9.2 <2012-09-07 Fri>

CHANGES IN VERSION 1.5.14
-------------------------
 o added platform test to use doMC (d.tenenbaum) <2012-08-31 Fri>

CHANGES IN VERSION 1.5.13
-------------------------
 o updated fillUp function <2012-08-15 Wed>
 o added tikzDevice to suggests <2012-08-16 Thu>
 o tikzDevice no longer on CRAN - removing from Suggests
   and using pdf as device in vignette <2012-08-16 Thu>

CHANGES IN VERSION 1.5.12
-------------------------
 o using knitr instead of pgfSweave and misc 
   vignette updated<2012-08-13 Mon>
 o spectrum2 reporter plotting params updates <2012-08-14 Tue>
 o added reporterNames to NAMESPACE <2012-08-14 Tue>

CHANGES IN VERSION 1.5.11
-------------------------
 o type in filterNA log messaging and also 
   rounding pNA <2012-06-07 Thu>
 o typo in demo vignette - Gb instead of Mb <2012-07-15 Sun>

CHANGES IN VERSION 1.5.10
-------------------------
 o Fixed readMSData instrumentInfo handling 
   (reported by Gopuraja Dharmalingam) <2012-06-05 Tue>
 o new multiple file loading test in test_io <2012-06-05 Tue>

CHANGES IN VERSION 1.5.9
-------------------------
 o topN now properly updates processingData <2012-06-01 Fri>
 o combineFeatures updates featureNames based on the 
   groupBy argument - updated demo vignette and man 
   accordinlgy <2012-06-01 Fri>
 o additional parameters were not passed when normalise 
   using vsn <2012-06-01 Fri>

CHANGES IN VERSION 1.5.8
-------------------------
 o added aa data in environment data.frame <2012-05-22 Tue>
 o fixed MSnbase:::subsetBy (used by topN) when 
   ncol(object) == 1 <2012-05-25 Fri>
 o new nQuants function <2012-05-31 Thu>
 o minor vignettes updates <2012-05-31 Thu>
 o nQuants now return a matrix with col names, 
   taken form sampleNames(object) <2012-05-31 Thu>

CHANGES IN VERSION 1.5.7
-------------------------
 o changed title method to exptitle to avoid conflict/confusion 
   with graphics::title and consitency with expinfo method <2012-05-15 Tue>
 o changed email to expemail <2012-05-15 Tue>
 o Added rols to Suggests <2012-05-15 Tue>

CHANGES IN VERSION 1.5.6
-------------------------
 o new ionSource, analyser, detectorType, title accessor methods 
   for MIAPE, pSet and MSnSet classes <2012-05-06 Sun>
 o updated quantify example to use data(itraqdata) instead of 
   reading dummyiTRAQ.mzXML <2012-05-09 Wed>
 o initial mzTab write support <2012-05-10 Thu>
 o mzTab read support <2012-05-10 Thu>
 o updated demo and io vignettes with mzTab info <2012-05-10 Thu>

CHANGES IN VERSION 1.5.5
-------------------------
 o added email slot in MIAPE and accessor <2012-05-04 Fri>
 o added expinfo methods to pSet and MSnSet <2012-05-04 Fri>
 o updated itraqdata <2012-05-04 Fri>
 o misc man typos fixed <2012-05-04 Fri>
 o quantify now properly propagates processingData <2012-05-04 Fri>

CHANGES IN VERSION 1.5.4
-------------------------
 o automatically populating experiment data instrument info 
   while reading data <2012-04-30 Mon>
 o msInfo fixed and exported <2012-04-30 Mon>
 o update demo vignette with 14 fractions analysis paragraph <2012-05-01 Tue>

CHANGES IN VERSION 1.5.3
-------------------------
 o extractSpectra is now defunct <2012-04-20 Fri>
 o caching full header in level 1; this is required when and MSnExp
   instance with *many* spectra (created from many raw files) is 
   quantified - calling header(object) is a too big overhead compared 
   to actual reporter quantification. <2012-04-20 Fri>
 o The header() method now uses the cached dataframe if level >= 1;
   the (unexported) .header function can be used to generate the 
   dataframe using the assayData slot data. <2012-04-20 Fri>
 o Setting processingData in MSnSet initialisation. <2012-04-20 Fri>
 o Dropping index column from header. <2012-04-20 Fri>
 o new Spectrum class v0.2.0 has tic slot. <2012-04-21 Sat>
 o *tic* method (data stored as a Spectrum slot) now returns 
   _total ion current_ (as commonly used) and _total ion count_ is 
   obtain using *ionCount*. <2012-04-21 Sat>
 o fixed normalisation boxplot titles and other tic/ionCount 
   changes in demo vignette. <2012-04-21 Sat>
 o removed qual subetting in MSnSet's "[" method <2012-04-24 Tue>

CHANGES IN VERSION 1.5.2
-------------------------
 o transposing and MSnSet does _silently_ drop the 
   protocolData now <2012-04-03 Tue>
 o fixed MSnExp pData creation for multiple files, feature names 
   have a .fileNumber extension now. <2012-04-19 Thu>
 o testing for uniqueness of files (filenames) in 
   readMSData <2012-04-19 Thu>
 o updated itraqdata.RData <2012-04-19 Thu>
 o added a paralle argument to quantify and using 
   paralle = FALSE in vignette, to avoid duplicated display
   of the command <2012-04-19 Thu>
 o defined "reporterNames<-" generics <2012-04-19 Thu>
 o fixed warning in readMSData where all not used for 
   comparison of verctors of length > 1 <2012-04-20 Fri>

CHANGES IN VERSION 1.5.1
-------------------------
 o updated NA warning message in readIspyData <2012-03-05 Mon>
 o fixed combineFeatures/combineMatrixFeatures for 1 sample <2012-03-20 Tue>
 o image method for MSnSet instances <2012-03-20 Tue>
 o fixed bug in plotNA (first t was wring) <2012-03-21 Wed>
 o import plot from stats4 <2012-03-21 Wed>
 o using reshape2 <2012-03-30 Fri>

CHANGES IN VERSION 1.5.0
-------------------------
 o new devel version bump

CHANGES IN VERSION 1.3.15
-------------------------
 o new updateFeatureNames function <2012-02-17 Fri>
 o updated vignettes to illustrate vertical/horizontal combine <2012-02-17 Fri>
 o typo in normalised.Rd <2012-02-19 Sun>
 o TODO combine unit tests

CHANGES IN VERSION 1.3.14
-------------------------
 o new is.na.MSnSet <2012-02-16 Thu>
 o updated vignette and NA related man pages with cross-links <2012-02-16 Thu>

CHANGES IN VERSION 1.3.13
-------------------------
 o new plotNA method + doc <2012-02-15 Wed>
 o new filterNA method + doc + tests <2012-02-15 Wed>
 o added a check on 'n' in topN <2012-02-16 Thu>
 o created a .Rinstignore <2012-02-16 Thu>
 o Update package Rd <2012-02-16 Thu>

CHANGES IN VERSION 1.3.12
-------------------------
 o new topN methods + doc + tests <2012-02-14 Tue>

CHANGES IN VERSION 1.3.11
-------------------------
 o changed explicit close(file) in writeMgf methods to 
   on.exit(close(file)) <2012-02-12 Sun>
 o typo in vignette <2012-02-13 Mon>

CHANGES IN VERSION 1.3.10
-------------------------
 o type in writeMgfData man <2012-02-07 Tue>
 o updated TITLE in writeMgfData <2012-02-08 Wed>

CHANGES IN VERSION 1.3.9
-------------------------
 o updated demo vignette <2012-02-03 Fri>
 o sorting numeric subsets in "[" pSet, as unsorted 
   numerical indexes fails  <2012-02-03 Fri>
 o Added match.arg in combineFeatures so that 
   a unique default value (the first) is used when no 
   fun is specified <2012-02-03 Fri>


CHANGES IN VERSION 1.3.8
-------------------------
 o Modified trimMz warning to report acquisition number <2012-02-01 Wed>
 o add 'experimentData(object, value) <- ' method for signature eSet
   and MIAPE <2012-02-02 Thu>
 o combine methods for MIAPE instances <2012-02-02 Thu>
 o combine methods for MSnProcess instances <2012-02-02 Thu>
 o changed qual drop warning into message in combineFeatures,
   updated test_MSnSet accordingly <2012-02-02 Thu>
 o new updateFvarLabels and updateSampleNames function <2012-02-03 Fri>
 o combine method for MSnSets <2012-02-03 Fri>
 o Updated demo vignette figure 8 <2012-02-03 Fri>

CHANGES IN VERSION 1.3.7
-------------------------
 o Speeded up writeMgfData <2012-01-28 Sat>
 o fixes for ggplot2 0.9.0
 o added import(grid) and import(reshape) <2012-01-30 Mon>
 o importFrom(plyr, ...) instead of only llply <2012-01-31 Tue>
 o loading reshape and grid in vignette <2012-01-31 Tue>
 o fixed chunk 21 (label = quantitation-plot) <2012-01-31 Tue>

CHANGES IN VERSION 1.3.6
-------------------------
 o Updated NoteAboutSpeedAndMemory since parallel processing 
   has been added. <2011-12-18 Sun>
 o Added CITATION <2012-01-27 Fri>
 o Added information to header output: acquisition number 
   and precursor intensity <2012-01-27 Fri>
 o Added a test in plot.Spectrum2 for empty dataframe <2012-01-27 Fri>
 o moved foreach, doMC to enhances <2012-01-27 Fri> 

CHANGES IN VERSION 1.3.5
-------------------------
 o added a gc() before mzR::close(msdata)... seems to help 
   with Rcpp and ref classes issue. <2011-12-09 Fri>
 o added a show parameter to getCacheEnv to define .cache 
   should be printed out before being returned. <2011-12-09 Fri>
 o added cache unit test <2011-12-09 Fri>
 o readMzXMLData is now defunct and remove xcms from Imports <2011-12-16 Fri>

CHANGES IN VERSION 1.3.4
-------------------------
 o fixed bug in show MSnExp method for MS1 experiments. 
   When loading MS1 spectra, cache is set to 0.
   Bug reported by Jesse Meyer. <2011-12-06 Tue>
 o fixed another bug/typo in readMSData <2011-12-06 Tue>
 o now running extractSprectum example again <2011-12-06 Tue>
 o setting default cache to 0, as cache=1 introduces 
   unstabel behavious... will investigate that <2011-12-06 Tue>

CHANGES IN VERSION 1.3.3
-------------------------
 o added parallel computation for MSnExp quantitation using 
   foreach with llply(..., .parallel=TRUE) <2011-12-03 Sat>
 o TODO document above in quantify-methods.Rd 
 o added foreach and doMC in Suggests <2011-12-03 Sat>
 o added Spectrum removePeaks and clean'ing in 
   readMSData <2011-12-05 Mon>

CHANGES IN VERSION 1.3.2
-------------------------
 o \dontrun{} extractSpectrum example, as this seems to be 
   a major offender producing the intermittent check  
   'Error in function (x)  : attempt to apply non-function'
   error <2011-11-07 Mon>
 o typo in Author@R <2011-11-14 Mon>
 o modified utils.removePeaks and utils.clean to call sapply 
   instead of IRanges:sapply <2011-12-01 Thu>

CHANGES IN VERSION 1.3.1
-------------------------
 o Herve added BioGenerics as a dependency and import 
   statement in NAMESPACE  <2011-11-29 Tue>   

CHANGES IN VERSION 1.3.0
-------------------------
 o Version bump for Bioc 2.10 devel

CHANGES IN VERSION 1.2.0
-------------------------
 o Version bump for Bioc 2.9 release

CHANGES IN VERSION 1.1.28
-------------------------
 o added pgfSweave to Suggests <2011-10-23 Sun>

CHANGES IN VERSION 1.1.27
-------------------------
 o fixed bug in readIspyData <2011-10-07 Fri>
 o removed (unexported) ratio code <2011-10-12 Wed>
 o added processing description when MSnSet['ing <2011-10-12 Wed>
 o man typos corrected <2011-10-14 Fri>
 o changed readMzXMLData to readMSData in tests <2011-10-14 Fri>
 o expecting warning for readMzXMLData in test_io <2011-10-14 Fri>

CHANGES IN VERSION 1.1.26
-------------------------
 o extractSpectra deprecated <2011-10-05 Wed>
 o small changes in cache.R functions <2011-10-05 Wed>
 o changed [, extractSpectra and extractPrecSpectra 
   to update the .cache slot <2011-10-05 Wed>
 o MSnExp show method uses .cache when level==1. <2011-10-05 Wed>
 o Finished level 1 cache implementation: leads to an 
   average 11.8 times faster MSnExp show method. <2011-10-05 Wed>

CHANGES IN VERSION 1.1.25
-------------------------
 o added .cache slot to pSet class <2011-10-03 Mon>
 o added pSet initialize method to set .cache and 
   .cache$level as '0'. <2011-10-03 Mon>
 o Check that level is defined in .cache and env is locked 
   in pSet validity method. <2011-10-03 Mon>
 o updated itraqdata.RData  <2011-10-03 Mon>
 o Deprecated readMzXMLData, added defunct.Rd <2011-10-03 Mon>
 o changed readMzXMLData to readMSData in man <2011-10-03 Mon>
 o updated show MSnExp for speed <2011-10-03 Mon>
 o updated read*Data is support cache = [0|1]. <2011-10-03 Mon>
 o updated precScanNum to use sapply(spectra(...), precScanNum)
   instead of unlist(eapply(assayData(...), precScanNum)) to 
   preserve splectra order. <2011-10-03 Mon>
 o new cache.R file with @.cache related code <2011-10-03 Mon>

CHANGES IN VERSION 1.1.24
-------------------------
 o in readMgfData, SCANS is not used to populate 
   acquisitionNum anymore, as several scans might 
   have been combined upstreams <2011-09-26 Mon>
 o added fillUp function in utils.R and exported <2011-09-27 Tue>
 o new MSnbase-io vignette <2011-09-28 Wed>

CHANGES IN VERSION 1.1.23
-------------------------
 o fixed writeMgfData("MSnExp") <2011-09-21 Wed>
 o readMgfData now works when mz and intensty are separated 
   by a '\t' (as exported by PRIDE Inspector) <2011-09-21 Wed>
 o show("MSnExp") now works without retention time <2011-09-21 Wed>
 o updated mgf2Spectrum2 to make it faster <2011-09-21 Wed>
 o fixed missing fromFile slot in data created from readMgfData 
   that prevented calling header <2011-09-21 Wed>
 o readMgfData now creates a fData based on the peak header <2011-09-21 Wed>
 o modified getCurveWidth to work with centroided data <2011-09-21 Wed>
 o fixed bug getCurveWidth <2011-09-21 Wed>

CHANGES IN VERSION 1.1.22
-------------------------
 o removed (internal) Mascot query link column in readIspyData 
   to work with latest ouput version <2011-09-12 Mon>
 o removed the fillUp part in readIspyData <2011-09-14 Wed>
 o exported readIspyData <2011-09-20 Tue>
 o removed link to proteomics sig list <2011-09-20 Tue>
 o removed url in DESCRIPTION <2011-09-20 Tue>
 o Spectrum2 slot ms1scan renamed to precScanNum and populated using 
   mzR::header()$precursorScanNum. Updated affected methods/functions 
   and manual pages. New accessor method precScanNum is exported.  
   THIS CHANGE IS NOT COMPATIBLE WITH PREVIOUSLY CREATED 
   MSnSet OBJECTS! <2011-09-20 Tue>


CHANGES IN VERSION 1.1.21
-------------------------
 o updated write.exprs to add fData columns <2011-09-08 Thu>
 o added write.exprs and readMSnSet unit test <2011-09-08 Thu>

CHANGES IN VERSION 1.1.20
-------------------------
 o added a readMSnSet function <2011-09-08 Thu>
 o added a write.MSnSet("MSnSet") method  <2011-09-08 Thu>
 o vignette/man updates - mainly data import section documenting 
   readMSData and readMgfData <2011-09-08 Thu>

-------------------------
 o incorporating mzR io frame work <2011-09-05 Mon>
 o use mzR's peaksCount and header generics <2011-09-05 Mon>
 o added test to check that readMzXMLData and readMSData give same output <2011-09-05 Mon>
 o added readMSData.Rd doc file <2011-09-05 Mon>
 o added Author@R field in DESCRIPTION <2011-09-07 Wed>
 o compressed/resaved (using resaveRdaFiles) itraqdata.RData file to  <2011-09-07 Wed>

CHANGES IN VERSION 1.1.18
-------------------------
 o read support for mgf files contributed by Guangchuang Yu <2011-07-06 Wed>
 o added as.ExpressionSet.MSnSet and setAs methods and updated MSnSet doc <2011-07-09 Sat>
 o fixed read/write mgf compatibility <2011-09-01 Thu>
 o added mgf io test <2011-09-01 Thu>
 o exported and document mfg read/write support <2011-09-01 Thu>
 o added centroided parameter to rawToSpectrum[1|2] to set this directly 
   at object creation in readMzXmlData <2011-09-01 Thu>
 o other minor changes in Rd files <2011-09-01 Thu>
 o added warning checks for combineFeatures when verbose=TRUE in test_MSnSet.R <2011-09-02 Fri>

CHANGES IN VERSION 1.1.17
-------------------------
 o updated itraqdata manual <2011-06-27 Mon>
 o fixed bug in MSnSet validity method - msg was initialised 
   to NULL when testing Biobase:::isValidVersion and 
   Biobase::assayDataValidMembers <2011-07-02 Sat>
 o added t.MSnSet method <2011-07-02 Sat>
 o document t.MSnSet method <2011-07-05 Tue>
 o test for t-MSnSet <2011-07-05 Tue>
 o new "["-MSnSet method to properly subset qual slot <2011-07-06 Wed>
 o updated MSnSet validity method to check qual dims <2011-07-06 Wed>
 o combineFeatures now drops the spectrum-specific qual slot <2011-07-06 Wed>
 o test for "["-MSnSet <2011-07-06 Wed>

CHANGES IN VERSION 1.1.16
-------------------------
 o added addVigs2WinMenu call in .onAttach <2011-06-26 Sun>
 o added plotMzDelta paragraph in vignette <2011-06-26 Sun>

CHANGES IN VERSION 1.1.15
-------------------------
 o new names and description methods for ReporterIons <2011-06-16 Thu>
 o added validObject() checks <2011-06-16 Thu>
 o new removeReporters method <2011-06-16 Thu>
 o plotMzDelta is exported and documented <2011-06-17 Fri>

CHANGES IN VERSION 1.1.14
-------------------------
 o Adding plotMzDelta QC plot (not yet exported), contributed by Guangchuang Yu <2011-06-14 Tue>
 o created a locked environment to store amino.acids dataframe <2011-06-14 Tue>
 o TODO plotMzDelta documentation and vignette section - man DONE in v 1.1.15 , vignette DONE in v 1.1.16

CHANGES IN VERSION 1.1.13
-------------------------
 o changed pSet [[ method <2011-06-13 Mon>
 o additional updates pSet [[ method <2011-06-13 Mon>
 o added MSnExp subsetting error tests <2011-06-13 Mon>
 o created new plotting-dataframe.R file with former plotting 
   utils functions, now renamed plot*.header <2011-06-13 Mon>

CHANGES IN VERSION 1.1.12
-------------------------
 o added invisible(NULL) to all show methods <2011-06-08 Wed>
 o added centroided argument to plot.MSnExp <2011-06-09 Thu>

CHANGES IN VERSION 1.1.11
-------------------------
 o harmonised MSnExp and Spectrum plot axes labels <2011-05-18 Wed>
 o Added plotting customisation section in vignette <2011-05-18 Wed>
 o updated signature of plot2d method to "MSnExp" only <2011-05-18 Wed>
 o added/exported plotDensity methods <2011-05-18 Wed>
 o started QC vignette section <2011-05-18 Wed>
 o added preprocSelection and preprocSelectionTable functions <2011-05-18 Wed>
 o TODO document preprocSelection[Table] in vignette
 o reduces plot2d-figure and plotDensity-figure sizes using png <2011-05-19 Thu>
 o added plotDensity doc <2011-05-19 Thu>
 o added round param to preprocSelection[Table] <2011-05-19 Thu>
 o preprocSelection[Table] documented and exported <2011-05-19 Thu>
 o fixed bug in plot.Spectrum1 <2011-05-24 Tue>
 o changed removePeaks setGeneric explicit signature <2011-05-26 Thu>
 o added MassSpectrometry biocView <2011-05-27 Fri>

CHANGES IN VERSION 1.1.10
-------------------------
 o minor updates in demo vignette <2011-05-13 Fri>
 o added plot argument to plot methods <2011-05-16 Mon>
 o fix in makeImpuritiesMatrix <2011-05-16 Mon>
 o added meanSdPlot MSnSet method <2011-05-17 Tue>
 o minor cosmetic fix in purityCorrect error message <2011-05-17 Tue>
 o added method="sum" to Spectrum/MSnExp normalisation <2011-05-17 Tue>
 o typo in MSnSet-class.Rd corrected <2011-05-17 Tue>

CHANGES IN VERSION 1.1.9
-------------------------
 o exporting normali[s|z]e methods for MSnSet, Spectrum and MSnExp <2011-05-12 Thu>
 o added quantile normalisation <2011-05-12 Thu>
 o added quantile.robust normalisation <2011-05-12 Thu>
 o added vsn2 normalisation <2011-05-12 Thu>
 o added normalise manual  <2011-05-12 Thu>
 o included normalisation section in vignette <2011-05-13 Fri>
 o more vignette updates <2011-05-13 Fri>
 o updated plotting methods to round MZ in title <2011-05-13 Fri>

CHANGES IN VERSION 1.1.8
-------------------------
 o added writeMgfData method from spectra and experiment <2011-05-09 Mon>
 o added writeMgfData manual <2011-05-09 Mon>
 o added itraqdata data set and updated vignette to use it <2011-05-11 Wed>
 o updated man pages to use tiny dummyiTRAQ.mzXML <2011-05-11 Wed>
 o added makeImpuritiesMatrix function <2011-05-11 Wed>

CHANGES IN VERSION 1.1.7
-------------------------
 o reporter ions purity correction method, man and test <2011-05-09 Mon>
 o updated vignette <2011-05-09 Mon>

CHANGES IN VERSION 1.1.6
-------------------------
 o added incomplete dissociation and spectral counting sections 
   to demo vignette <2011-05-06 Fri>
 o added bioc-sig-proteomics link to foreword <2011-05-06 Fri>
 o type in foreword <2011-05-06 Fri>

CHANGES IN VERSION 1.1.5
-------------------------
 o added combineFeatures example in demo vignette <2011-05-05 Thu>

CHANGES IN VERSION 1.1.4
-------------------------
 o readIspyData updated to return updated factors <2011-05-03 Tue>
 o added unexported/undocumented combineFeatures function for MSnSets <2011-05-03 Tue>
 o added basic tests for combineFeatures <2011-05-03 Tue>
 o added combineFeatures manual <2011-05-04 Wed>
 o exportig combineFeatures  <2011-05-04 Wed>

CHANGES IN VERSION 1.1.3
-------------------------
 o as.data.frame.Spectrum columns now are (first) mz and (second) intensity <2011-04-27 Wed>
 o exporting as.data.frame.Spectrum and coerce <2011-04-27 Wed>

CHANGES IN VERSION 1.1.2
-------------------------
 o Simplified quantify generic signature - now only object argument <2011-04-19 Tue>
 o Added strict parameter to quantify method, man updated, added relevant test 
 o Added illustrative plot for quantitation methods in MSnbase-demo vignette <2011-04-19 Tue>
 o Added illustrative plot for data pre-processing (removePeaks and clean) 
   in MSnbase-demo vignette <2011-04-20 Wed>
 o No warnings are issued anymore when peaks expands outside of mz(reporters) +/- width(reporters). 
   See ?quantify on how to check this manually. <2011-04-19 Tue>
 o No warnings are issued anymore when reporter peaks are missing. 
   See ?quantify on how to check this manually. <2011-04-20 Wed>  
 o pSet validity warns if length(unique(msLevel(object))) > 1, rather than != 1. 
   The latter triggered a warning for a new("MSnExp"). <2011-04-20 Wed>

CHANGES IN VERSION 1.1.1
-------------------------
 o added setAs data.frame and as.data.frame methods for
   Spectrum objects <2011-03-29 Tue>
 o support for uncentroided MS2 spectra plots <2011-03-31 Thu> <2011-04-02 Sat>
 o support for uncentroided MS1 spectra plots <2011-04-02 Sat>
 o minor modification to readIspyData <2011-04-04 Mon>
 o removed centroided slot from MSnProcess and added to 
   individial Spectrum instances. Relevant for Velos 
   HCD (profile)/CID (uncentroided) data <2011-04-04 Mon>
 o modified readMzXmlData accordingly <2011-04-04 Mon>
 o added validObject(new(...)) tests for each class <2011-04-04 Mon>
 o added centroided[<-] methods to Spectrum and pSet <2011-04-04 Mon>
 o added 'keepAll' parameter to readIspyData <2011-04-11 Mon>

CHANGES IN VERSION 0.99.4
-------------------------
 o removed pgfSweave from Suggests field <2011-04-04 Mon>

CHANGES IN VERSION 0.99.3
-------------------------
 o Using Sweave rather than pgfSweave to build on lamb1. <2011-03-28 Mon>

CHANGES IN VERSION 0.99.2
-------------------------
 o updated references in package Rd <2011-03-24 Thu>
 o added readIspyData.Rd  <2011-03-24 Thu>
 o removed old readMzXMLData function <2011-03-24 Thu>
 o cleaning up code <2011-03-24 Thu>
 o fixed MSnSet initialize: setting experimentData as MIAPE <2011-03-25 Fri>
 o fixed MSnSet initialize: identical featureNames in assayData and 
   featureData for empty MSnExp istances <2011-03-25 Fri>
 o better test organisation and added object validity tests <2011-03-25 Fri>
 o updated readIspyData function <2011-03-25 Fri>

CHANGES IN VERSION 0.99.1
-------------------------
 o fake vignettes are copied back in inst/doc/. to 
   make sur tar tarball can be extracted and build 
   again <2011-03-24 Thu> 
 o Making clean after make all <2011-03-24 Thu> 

CHANGES IN VERSION 0.99.0
-------------------------
 o MSnProcess@process get's one line when subsetting and MSnExp object <2011-03-21 Mon>
 o Updated vignette Makefile <2011-03-22 Tue>
 o Added fake vignettes <2011-03-22 Tue>
 o Version set to 0.99.0 <2011-03-22 Tue>
 o Minor changes in quantify-method.Rd <2011-03-22 Tue>
 o added .Rbuildignore to ignore 'sweave-cache.*' <2011-03-22 Tue>
 o added R/zzz.R with start-up message <2011-03-23 Wed>
 o Added width generic <2011-03-23 Wed>
 o IRanges in now imported <2011-03-23 Wed>

CHANGES IN VERSION 0.2.0 <2011-03-17 Thu>
------------------------
 o MSnSet now extends eSet, reimplementing the ExpressionSet class
   with exception of the experimentData slot, that must now be a MIAPE
   instance.
 o updated MIAPE substantially and added accessor methods.
 o updated docs and vignettes to reflect above changes.

CHANGES IN VERSION 0.1.5
------------------------
 o added zoo to Suggest, as zoo::rollapply is used in vignette.
 o changes rollapply call to zoo:::rollapply.zoo, to make it 
   work with zoo_1.6-4, rather that depending on zoo_1.7-0, which 
   is not yet on CRAN (only r-forge).
 o added vns to Suggests, as it is used in the demo vignette.

CHANGES IN VERSION 0.1.4
------------------------
 o added pgfSweave to Suggests, as is called in vignette Makefile

CHANGES IN VERSION 0.1.3
------------------------
 o Updates to ReporterIons man page
 o Moved some Depends to Imports and updated NAMESPACE
 o corrected a IRanges:::sapply ot IRanges::sapply in utils.R
 o added inst/tests/test_MSnProcess.R

CHANGES IN VERSION 0.1.2
------------------------
 o MSnProcess@MSnbaseVersion is not set in the initialize method instead to the prototype
 o changed R CMD to $(R_HOME)/bin/R CMD in inst/doc/Makefile
 o removed first and last (was 5th) MS1 spectra and associated MS2 spectra 
   from dummy file to reduce size below 2MB.
 o Updated tests to reflect new dummy data set
 o Edition of dummy brakes readMzXMLData with msLevel=1 -- comment related tests
 o Updated MSnbase-demo vignette and man to use good spectra un plots (i.e "X43" instead of "X64")

CHANGES IN VERSION 0.1.1
------------------------
 o Added LazyLoad: yes in DESCRIPTION and modified docs accordingly
 o Added NEWS file

CHANGES IN VERSION 0.1.0
------------------------
 o Added MSnbase-demo vignette
 o Added MSnbase-development vignette
