Update to determine sis enrollment sections, includes cross-listed sections
Update for error handling
Merge pull request #46 from Harvard-University-iCommons/feature/Add_People_Tool

Feature/add people tool
split enrollment sections and other sections; make enrollment sessions uneditable; new template for handling enrollment sections
added a class for primary sections
Merge branch 'develop' into feature/Section_Tool_J4
Update to add more unit tests and remove json functions not needed
incorporate css class for proper outdenting of primary sections
Merge pull request #45 from Harvard-University-iCommons/feature/Section_Tool_J4

Update to determine sis enrollment sections
Merge pull request #47 from Harvard-University-iCommons/feature/CS_Section_tool

Feature/cs section tool