Experience and Level: Try to more correctly implement level up and down... nearly working.
constify some functions
Close MessageBox when: Event Ends, Waiting or 10000 events were executed.
Wait Event: 0.0 waits for 1 frame
Experience and Level Events: Implemented and working?!
Always display current experience, even if max level. Is confusing that experience are still changed but not displayed, especially when using experience down event. Behaviour differs now compared to RPG_RT.
Experience and Level Event: Completly working now.
HP and MP: Prevent over/underflow
States: Return correct highest priority state, rename function to make purpose more clear.
Sound effects: Play the changed value, not the database value.