Patch notes 10/31/21

Major changes:

• Added the ability to undo and redo changes in the character editor (ctrl+Z / ctrl+Y)

Minor changes:

• Load times when entering test play in the character editor are greatly improved- great for rapid iteration!
• Added notifications when actions are performed in the character editor (copy and paste, save, etc)
• Added the ability to test if a condition is NOT true in an "If" frame action, by typing an exclamation mark (!) at the start of the condition

Bug fixes:

• Player sometimes turned invisible in the character editor when exiting test play or saving
• Effect layers occasionally turned white in some scenarios
• The camera appeared tilted in test play mode (if the camera was in 3D mode at the time