Merge branch 'release/0.1.1' into dev
Add first cuke test.

Also, renamed gtfs-reader files/dirs to gtfs_reader.
Add acceptance tests for HashContext
Add some features
Add dev dependency for guard
Give up on cucumber
Merge branch 'feature/cucumber' into dev
Add more specs
Create bumper
Create version bumper
Accept filename as argument
Check for required files
check required columns
Create file handlers
Add ability to cancel an update for a source
Correct major version number
Don't ignore gemspec file
Allow reader to return arrays instead of hashes
Change default log level to info
Add missing saturday column