Added new method
Created a new method to generate string array
Edited Variables and parseTaskStartDay
edited task start day and start end day
Added test case to check for return days
Edited Method parseTaskDay and parseEndDay
Edited Variable types
Added Test Case
edited parsing command delete
Removed delete index
Add IOException case for store Storage
Merge branch 'Stanley's_Branch' into linh-dev

Conflicts:
	src/todologApp/Controller.java
	src/todologApp/Task.java