Added proper Gemfile Licence Version and fix gemspec
Fix module naming convention, / not mandatory
Added tarball functionnality, it's dirty but works

We are currently refactoring it to make it clean

:tarball can be use for a remote or a local tarball
Update README.md
Added --clean and --path options
Merge pull request #1 from slamont/master

We fixed the gemspec and added the tarball fonctionnality