so organizing of the code
Merge branch 'master' of https://github.com/azatris/cs4218
I think this work
Merge branch 'master' of https://github.com/azatris/cs4218

Conflicts:
	src/sg/edu/nus/comp/cs4218/impl/extended2/CutTool.java
Change a error added a testfile
Merge branch 'master' of https://github.com/azatris/cs4218