What's Changed

• Update DeveloperGuide.md with the Alias feature by @darrtzj in #105
• Update DG and UG for sort feature by @jorrdansoh in #107
• Update design of GUI and documentation by @HowSuen in #106
• Update dg and change file names by @Yuvaraj0702 in #110
• Add MarkMasteryCheck command by @kaij77 in #111
• Add sort feature by @jorrdansoh in #109
• Add assertions by @Yuvaraj0702 in #113
• Refactor MasteryCheckBook to Friday by @kaij77 in #115
• Add functionality to edit students' grades by @HowSuen in #116
• Add alias feature by @darrtzj in #118
• Add find by other parameters by @Yuvaraj0702 in #117
• Migrate find functionality to sort by @Yuvaraj0702 in #121
• Update User Guide and improve code quality by @jorrdansoh in #120
• Update alias feature by @darrtzj in #122

Full Changelog: v1.2.trial...v1.3