0.5.1 to 0.5.2:
   * Display correct error code, if rsync returns non-zero
   * Unify messages
   * Remove some potential quoting problems

0.5 to 0.5.1:
   * Remove always printed debug information

0.4.3 to 0.5:
   * Removed requirement PaX
   * Removed requirement bc

0.4.2 to 0.4.3:
   * Display error code of rsync, if non-zero (for further analysis)
   * Fix Makefile, so 'make install' works on others OS
   * reorder $RSYNC_EXTRA, so it can be overriden by users

0.4.1 to 0.4.2:
   * fixed bug when $CCOLLECT_CONF is relative
   * added Quickstart to documentation

0.4 to 0.4.1:
   * updated documentation, fixed some English related problems
   * added Texinfo documentation
   * added a manpage (English)
   * fixed problem with 'make install' (strip was used)
   * fixed possible problem with pre_exec beeing executed to late
   * fixed small bug in sed expression: using 'source/' made it fail

0.3.3 to 0.4:
   * `pax` (Posix) is now required, `cp -al` (GNU specific) is removed
   * "interval" was written with two 'l' (ell), which is wrong in English
   * Changed the name of backup directories, removed the colon in the interval
   * ccollect will now exit, when preexec returns non-zero
   * ccollect now reports when postexec returns non-zero

0.3.2 to 0.3.3:
   * Fix a small bug, which suppressed information when rsync exits non-zero

0.3.1 to 0.3.2:
   * ccollect now prints the start time, end time and duration of the backup

0.3 to 0.3.1:
   * added support for printing a summary
   * some cosmetic changes

0.2 to 0.3:
   * added "very_verbose"
   * normal "verbose" is now less verbose
   * added general 'pre_exec' and 'post_exec' support
   * added source specfifc 'pre_exec' and 'post_exec' support

0.1 to 0.2:
   * Added plausibility check
   * Updated and made documentation readable
   * implemented verbose option
   * Fixed double exclude parameter bug
   * Added much better documentation (asciidoc)
   * added rsync extra parameter option