2011-06-28 Hsin-Yi Chen <ossug.hychen@gmail.com> - 0.5

	* New features:
		* create a combined command string for testing
		* setting default command options
	* New Class: CmdConfiguration, SubCmd
	* Rename Function: reg_singlecmds -> regcmds
	* Rename Class: SingleCmd -> Cmd
	* Change copyright year 2010 to 2011
	* New Test: ExecutedCmd, UtilsTestCase, SubCmdTestCase,
		    CmdDispatcherTestCase, CustomClassTestCase,
		    HelperTestCase
	* Upadte Readme.txt
	* Update comments
