Renamed function for better clarity.
Added hostname, max_images and new hook options.
Fixed registration order calls.  Reworded messages.  Removed mounted device requirement.
Added max_images option with tests.  Moved several functions to maintenance module with tests added.
Reduced function size of getBackups.
Removed drive_percentage.  Fixed max_days issue.
Added epilog to args help.  Updated caat man page.
Replaced my own getName function with built in pwd and grp.
Added changelog.  Removed strange import from help.py.