Creating route parser.
Basic parser actions.
Refactor tests.
Know if a Route has a station.
Return false when a station is not in Route.
Refactor Route class: use hasStation.
Fix typo.
Get specific Station from Route.
Throw exception if Station is not part of Route.
Check for parsed specific station.
Retrieving info from html.
Retrieving Route name from html.
Retrieving stations from html.
Clean Station names retrieved from html.
Check all stations from San Sebastian's route.
Parse Madrid's route.
Set libxml_use_internal_errors to the previous state. Necessary?