Add source to Gemfile
Allow overriding yank_keys in user config
Update vimbot dependency
Add source to Gemfile
Remove redundant test group
Stop vim after all tests run
Merge pull request #26 from nickstenning/custom-yank-keys
Update README.md
1.0.6
Merge branch 'master' of https://github.com/maxbrunsfeld/vim-yankstack

Conflicts:
	autoload/yankstack.vim