Acknowledge control of the rubygems name
Merge pull request #16 from craiglittle/fix-readme

Acknowledge control of the rubygems name
Remove unused block vars
Merge pull request #17 from vipulnsward/start_small

Remove unused block vars
Add `merge` as an instance method to act a bit similar to others
Merge pull request #18 from vipulnsward/change_merger

Change `merge` from a class method to an  instance method