updated Data structure to higher level of abstraction
Shuffled initialising of _additonalArguments
started unit testing for commandImpl
Included unit tests for getCommandType and getPrimaryOperand
implemented unit testing for Command Class
Add javadocs
Date package not required, only need DateFormat class
Instead of using the date class to parse the string, use DateFormat class
Class comments
Merge branch 'logic/wenhao' of github.com:cs2103aug2014-w10-3j/main
Use semicolon as a separator instead
A new line after each task
Format the date properly before saving
Merge branch 'logic/wenhao'
Merge branch 'master' of https://github.com/cs2103aug2014-w10-3j/main into unitTest/victor

Conflicts:
	sg/codengineers/ldo/parser/ResultImpl.java
Merge branch 'master' of https://github.com/cs2103aug2014-w10-3j/main
Merge branch 'unitTest/victor'

Conflicts:
	sg/codengineers/ldo/parser/ResultImpl.java
Edited how String is split. Using dashes instead of space
Properly implemented splitting of user input
Detects operands properly (ends with dashes - or --)
Detect additional operators properly (starts with dashes - or --)
Test cases for splitting of input