Pynuget

+ Removed the wrong logging message in the previous release. >_<

+ Removed too-verbose logging in find_by_id.

+ Fixed multiple instances of missing joins on queries... oops.

+ Added line numbers to logging (33).
+ Optionally run coverage when running in localhost development.
+ Fixed an issue where files with dependencies would break the "List" nuget
command (39)
+ Fixed an issue where deleting the last remaining version of a package
would not delete the row in the Package table, thus causing subsequet pushes
of the same version to fail. (38)
+ Added exit codes for all CLI commands. (37)

+ Don't use a static value for the nuspec namespace.

+ Added a very simple web UI which allows users to see all packages and
versions available.
+ Updated where the version number is stored and how it's inlcuded in
`setup.py`.