Partially fix MUWM-2291 - add is_primary_section in section json data.
Removing v4, *except* for graderoster.
Merge pull request #15 from uw-it-aca/feature/goodbye_sws_v4

Removing v4, *except* for graderoster.
Merge pull request #16 from uw-it-aca/hotfix/MUWM-2291

Partially fix MUWM-2291 - add is_primary_section in section json data.
Adding an interface for fetching calendar data by name
Merge pull request #17 from uw-it-aca/trumba_calendars

Adding an interface for fetching calendar data by name
Adding the icalendar requirement to setup.py
Merge pull request #18 from uw-it-aca/trumba_calendars

Adding the icalendar requirement to setup.py
Merge pull request #20 from uw-it-aca/develop

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