Split course_times by course
Change -1 index to last
Clean up all course_time_info and use first entry in args
Merge pull request #3 from quelledanielle/fix-course-times

Split course_times by course
Add attr_readers for semester and year
Add schedule method
Add export option to courses command
Add calendar exporter class
Add export method to client and calendar exporter
Add call to client.export in courses command
Add calendar helpers module
Add date helpers
Add time helpers
Add calendar DTSTART and DTEND methods
Add calendar RRULE method
Add calendar VEVENT method
Add calendar export functionality