------------------------------------ 1.10.3 ------------------------------------

o filterSCE() now drops non-existent levels in metadata(.)$experiment_info
  
o plotNRS() no-longer fails when samples have an insufficient number of cells;
  added check.names = FALSE in data.frame() to prevent renaming of antigens

o any mention of the daFrame class has been replaced by SingleCellExperiment
  in all function documentation and the differential analysis vignette