Standardize attribute names for Version 0.4. Fixes oisin/ierail#22
Tidy up test names
Update filters to reflect how IERail define servicing a station (arriving/departing station in x mins). Fixes oisin/ierail#23
Tidy up filters
Update TrainMovement to use map to build array
Update documentation to reflect attribute names
Fix a typo
Update documentation to reflect sanitized types. Update locations of train and station to be sane types
Update direction test to use Connolly as its likely to have more trains and less failures as a result
Merge pull request #24 from michaeldever/master

Standardize attribute names, update filters, tidy up.
Manual resolution of pr #20 - including VCR cassettes
to allow offline testing.
Loosened pessimistic dependencies in gemspec