only for tut
implement print agenda function
Semi Stable Version
add delete function to commandHandler
add floating tasks views to agenda
minor changes
implement test part
update updateCommand to reflect changes in API
Merge branch 'parser' into mainlogic

Conflicts:
	src/zombietask/ZombieTaskCommandHandler.java
Merge branch 'ZombieStorage' into mainlogic

Conflicts:
	src/storage/StorageAPI.java
	src/tests/StorageAPITest.java
	src/zombietask/ZombieTaskCommandHandler.java
add gson library
Merge remote-tracking branch 'origin/parser'
Pass the test case
Change a little bit in ZombieTaskCommandHandler to solve the update
problem for task with two deadlines
Merge branch 'ZombieStorage' into mainlogic
implement search functions
delete all useless file
implement undo method
Merge remote-tracking branch 'origin/ZombieStorage' into ZombieStorage
partial implementation of
-	update help command
-	add clash warning
-	delete depreciated methods
-	add location
Merge branch 'ZombieStorage' into mainlogic

Conflicts:
	ZombieLog.0.0.txt
	ZombieLog.1.0.txt
	ZombieLog.1.1.txt
	ZombieLog.2.0.txt
	ZombieLog.3.0.txt
	ZombieStorage.txt
update viewagenda and taskclash functions