Use list comprehensions when rebuilding the rules for writing
-s will print sorted rules
Use portage api to identify atom based on the package name alone

Using the portage api to grab atom based on the package name specified
in the cli.

Added -f/--force argument to bypass the portage api and work on whatever
is given on the cli

Reimplemented long options with a workaround duplicate choices for the
--type argument in the help.

Recolored the diff messages.
Version 0.6