Initial .gitignore
Initial package.json
Initial unit test (in true TDD fashion)
Pass null as a first argument to the callback
Initial implementation
Travis support, decreased supported Node version to 0.8
Merge branch 'master' of https://github.com/notatestuser/callmemaybe

* 'master' of https://github.com/notatestuser/callmemaybe:
  Initial commit
README: Added build status badge