dogfooding ya
refactored to make it shorter
Fixed bug of falling through after checking command validity
Added ability to test tagging and remove some redundant comments
Fixed typo
Added integration test for editing deadline
Fixed typo, now have 1 more passing test case
Removed GUI tests from integration testing and spruced up some comments
put all todos into the same place
Merge branch 'v0.3-junhao-demo' into feature/junhao-v0.4-changes

Conflicts:
	storage.json
Added support for postponing by how long using parser new feature for more natural commands
Added headers for collate tools for my code and removed stuff that are no longer supported in Tareas
Removed more unused code
Merge branch 'master' into feature/junhao-v0.4-changes
Removed floating tasks for when there is no need for them
did my own dogfooding
Fixed get particular date
Huge commit.
Removed random sout
Removed undo redo and done bug