v1.2.0

CurricularAnalytics v1.2.0

Diff since v1.1.0

Merged pull requests:

• Improve test coverage (#102) (@haydenfree)
• Additional test coverage (#103) (@heileman)
• additional tests, learning outcomes graph & example (#104) (@haydenfree)
• Development (#106) (@zymvincent)
• create_metagraph function added (#108) (@zymvincent)
• Create an example curriculum of ECE Department at UA (#109) (@zymvincent)
• add documentation for simulation (#110) (@jiachengzhang1)