Final JAR Release

v0.4

Add image in README

Create New JAR File for A-Release

v0.3

Merge branch 'master' of https://github.com/g-erm/ip

Create JAR File

v0.2

Modify output method and fix bug in creating jar file

Create JAR File (A-Jar)

v0.1

Add DukeException and JUnit Tests for commands package