For v0.2
* fix plaintext passwords
* fix invisible status images
* messages from offline users
* focus issues

Other:
* logging in/rms connectivity errors (display error to user if xml connection or rms connection is lost)
* logging off
* sort by groups
* options window:
	* sort by group
	* show offline users
	* transparent windows
	* colours
* history viewing
* resize windows
* make/use generic php xml functions instead of creating xml everywhere messily