Merge pull request #3 from kendhia/master

Expand the ruby pkgwat wrapper
Cleaned up code
Bump version
Fixed rake task code and updated README

This should fix issue #4.
Fixing up README
Bumped version
Expand the ruby pkgwat wrapper
Merge pull request #5 from areke/master

Expand the Ruby pkgwat Wrapper
Some improvement for importing release and updates