v3.0.0-beta

Changes since:
v3.0.0-alpha-bugged

Changes to Display
Compatibility changes for JsonHandler (stores rules as dict value not the path)

Mostly fixed the None value bug, still seems to occur randomly, but added countermeasures to fix that
Fixed improper stacking of displays
Logging tab now works properly
Cancellation works properly
webgui checks and displays for updates now
Better error checking for apply/discard
kijiku settings now cleared upon file removal
Lot better json validation