Version 2.9.1
-------------
Version number scheme changed to semver (see semver.org)
Bugfixes:
- get -r and mget didn't work correctly in version 2.9 compared to version 2.8.
  This is fixed in this version.
- cat did put out an odd newline after the file contents in previous versions.
  This is prevented if the environment variable UBERFTP_CAT_CORRECT is present.

Version 2.9
-----------
First gridcf.org release
Bugfixes:
- when the server was configured to prevent overwriting existing files, uberftp
  would delete this existing remote file instead of returning an error.

