Accesses in the groups tab are now displayed correctly. Fixes #123
Categories in the Cmds and Permissions tab are again alphabatized, Uncategorized groups are put on bottom.
Sliders in the Cmds tab now have the label on a seperate line, giving more room for the slider.
Added ability to edit lower-level restrictions from a higher-level group.
Fixed XGUI data being sent twice on startup.
BoolArgs in the Cmds tab now obey restrictions.
Created a workaround regarding disabled state of a checkbox after being parented to another control.
Updated XGUI startup code to better handle a loaded server that gets delayed before sending data to clients.
Fixed rare script error on startup
Minor code cleanup, bugfixes, and asthetic changes.