Fixed recent entry getter
Enabled the deprecated "Who performed last save" DB header and added it
as a secondary option to the user fetch. 
Fixed a few issues with the re-adding of the deprecated wholastsaved
header and added tests+test_psafe for it. 
Added new settings that were added and a new set of clicking related
constants
Finished non-default-prefs support and added unit tests for it
Added support for skipping default values
Added psafe for use with its unit tests
Added support for empty groups
Adding empty group field test safe