NIL
Temporary edit
Removed redundant code, replaced with more suitable search method
Removed unnecessary exactTaskSearch
Commented out unnecessary code
Merge branch 'master' of https://github.com/cs2103aug2014-t7-2/main

# By Natalie Rawle
# Via Natalie Rawle
* 'master' of https://github.com/cs2103aug2014-t7-2/main:
  added undo requirements
  fixed overdue