Parse more natural language such as n days/weeks/months later
Code Refractor and added quick edit improvement
Merge branch 'master' of https://github.com/cs2103aug2014-w14-1j/main into daryl-ui
Extra pipe here results in empty string allowed, stupid bug.
Check for any other datetime formats
Use datetime here
Factor out from datetime to datetime regex
Merge branch 'master' of https://github.com/cs2103aug2014-w14-1j/main
Remove redundant escape