v1.3.0

CurricularAnalytics v1.3.0

Diff since v1.2.2

Closed issues:

• Notion of Elective Courses (Chose x courses from Y set of courses) (#122)
• install fails on macos, julia 1.5 (#125)
• validate curricula on requisite constrains (#126)

Merged pull requests:

• Version 1.3.0 (#127) (@haydenfree)