Insert assertions in CommonUtil class.
Inserted assertions for TaskList class.
Inserted assertions for CommandLineUI class.
Fine-tuned CommandLineUITest test cases.
Merge branch 'master' of https://github.com/cs2103aug2014-f11-2j/main.git
Added logging to tasklist class.
Added logging for CommandLineUI class.
Added more logging to CommandLineUI class.
Merge remote-tracking branch 'main/zhenghan'