Added fmdbc.py script

Can be used to administer SQLite powered databases using
a command-line interface.
bump version number - semantic versioning
bump version, demote to alpha status, add basic user support
added userid field to get_file_info return value
added gitignore to clean up vim and python crud
large commit, fix bugs and update doctest

user system should now work as intended with the ability to add images
to public tags as well as not modify others images and tags

doctest now covers most of new functionality
added script to quickly run doctest
added rudimental support for new user system to fmdbc.py