Set filter after edit
Forgot to decrement the childTask index
Fixes #377
Fixes #378
Merge branch 'master' of https://github.com/cs2103aug2014-w10-1c/main into fix-display-edit-bug
Improve code coverage
Merge branch 'fix-display-edit-bug' into fix-subtask-display-bug
Fix adding dependencies bug
Fix the deleting dependencies bug