Add the completion function support for gsop command.
Update for centralized cleanup function by using _Orz_Cleanup().
Integrate version information of each program into Orz metadata.
[New] Support 'svnop' command.
Add the completion function support for svnop command.
[New] Support MSG_HINT tag in the msg()/msgn() functions.
[Modify] Go back to original working directory which is kept in $_PWD_ in the end of _Orz_Cleanup()
 Update for centralized startup function by using _Orz_Startup()
[Bugfix] Command should stop running if basic commands checking is fail.