Merge pull request #6 from jvergeldedios/master

Raise custom error instead of simple Runtime errors on unexpected API status
fixed some failing unit tests
added a comment
rake test:functional
rely on npm package patchboard-api for test examples
explicit setup task
fixed bug in API#decorate
bump version
added starter release task
Fixes for pb 0.5 authorization work
Comment explaining www-auth format
commented the horrible regex