Merge pull request #5 from OrangeJam/kari

Tableview for assignments
Parser now identifies and removes duplicates when parsing classes
Small fix in parser test case
Added unit tests for class equality operator
Added classes to the data store
A little refactoring in the data store
Added Weekday enum and removed private from DataStore properties because of testing madness
Added test for getClassesForDay
Removed some NSLogs
Added getClassesForToday convenience method to DataStore
Minor changes to please Lord Starkad
Small corrections in test case messages
Merge pull request #6 from OrangeJam/bjornorri

Classes are now in the datastore
Merge branch 'kari'
Merge pull request #7 from brow dynamite
Merged changes from master