Updates specs to use expect syntax
Removes oauth_token param from url_params
Turns #append_signature_to_params a private method
Removes :oauth_signature from signature_base
Adds treatment for when the request have :oauth_token_secret param
Bumps to version 0.0.2
Removes rbx and ruby 1.8.x from .travis.yml
Adds Ruby 2 versions to travis.yml
Merge pull request #4 from Helabs/refactor

Rewrite specs and replicates #2 changes