v0.2

Duke Meeseeks application for CS2103T

New features

• Undo command
• Passable GUI
• Will to live

What's Changed

• feat: A-CI by @caando in #2
• refactor: A-Assertions by @caando in #4
• refactor: A-Streams by @caando in #1
• feat: C-Undo by @caando in #3