Use the zip UTI instead of extension
Version bump
Use UTIs for all archive types

Fixes quicksilver/quicksilver#1789
Export UTI types in the Info.plist
Merge pull request #5 from lgarron/folder

Don't attempt to remove path extension if the object is a folder.
Revert "Export UTI types in the Info.plist"

This reverts commit 707759bd1976acde60ccb5e3a2287aa6890e038d.
Exporting UTIs in a plugin does not work. We need to rethink this
Merge pull request #3 from quicksilver/zip

Use UTIs
7z support.