Bumped version to 0.9.2
Fix the issue reported on the IRC:
Setting bl_options to UNDO, INTERNAL since access through
the Search Menu or Repeat History will cause a context
loss and crash
Similar to the solution for the Task 50086
Bump version on 0.8.1
Pep8 cleanup
Move the properties to a PropertyGroup
they can be accessed with context.scene.skinify
Properties names and tooltips cleanup
Use layout.split for some of the UI code
Remove the app.handler on unregister and add
an additional check in the init_props function