Added recurring event support, needs tests
Fixed issues in monthly & yearly recurrence, still untested
find_event method with start & end date, needs further tests
The exchange FindItem operation does not return body, had to change things around to use a combindation of that and GetItem
Added calendar type property used in recurrence events
Merge branch 'master' into development
Merge branch 'bug_fixes' into development
Merge branch 'bug_fixes' into development
Flake8 fixes
Added get_master and get_occurrences to calendar base
Implementation for get_master in exchange2010
Made the get_master function a little faster by reducing number of requests
implemented the get_occurrence method to get specified occurrences of a given master event
Merge branch 'master' into development
Removed unnecessary filter
Fixed bug causing retrieved events to not be in UTC.
Fixed test fixtures to account for timezone
Merge branch 'timezone_bug_fix' into development
More work on recurring events
Fixed bug in previous commit