Fix for WAL archival stop working if first backup is EMPTY (Closes: #64)
Fix exception during error handling in Barman recovery (Closes: #65)
After a backup, limit cron activity to WAL archiving only (Closes: #62)
Improved robustness and error reporting of the "backup delete" command (Closes: #63)
Fix computation of WAL production ratio as reported in the "show-backup" command
Improved management of xlogb file, which is now correctly fsynced when updated. Also, the "rebuild-xlogdb" command now operates on a temporary new file, which overwrites the main one when finished.
Add unit tests for dateutil module compatibility
Modified Barman version following PEP 440 rules and added support of tests in Python 3.4