changes & fixes:
- change the color of the choices from white to red in the "resting house" in the "slums" (thx to Gramps200)
- fixed a bug where the gameover switch is activated when losing in the "snow tower" (thx to MR_REds)
- add katana-tan art by Eros420_
- changed katana-tan conversations
- optimized fight against katana-tan (refight is possible in the dev magic room)
- removed "command remember" in option menu
- slightly increased the "width" in the options (400 -> 480)
- fixed a clear item bug in rmmz_windows (all main script changes has comments like //changed or //added)
- remade the breath animation to remove 2 plugins (FOSSIL, MOG_PictureEffects)
- added a new option window in which you can adjust the background behind the game canvas aka backdrop images