1678424442

+ Added copy of palette addresses to be used for reversion after colour cycling
+ [CURRENTLY DISABLED] Access to final stage is now accessible from the level selection screen when all powers are acquired
+ Difficulty options on title screen now flash while selected
+ [CURRENTLY DISABLED] Added extra sprite for display on final boss pickup popup
+ [CURRENTLY DISABLED] Started adding shadow stage content

* Adjusted horizontal alignment of '?' glyph
* Developer mode now activates only on [redacted]
* Developer mode usage is now tracked in the save file rather than play session
* Developer mode usage is now technically possible on non-PC platforms
* Fixed an issue where colour cycling and flipping would not halt when a new scene is loaded
* Updated the graphics used for the level select scene
* [CURRENTLY DISABLED] Replaced final pickup power with actual art
* Purging saved data now returns to the title screen, instead of the level select scene
* Adjusted respawn marker transform offset and sprite to fix PoT fraction alignment in editor
* Fixed a single missing spike collision box in ice stage
* Fixed an issue where dive sweep enemies could not be frozen
* Fixed an issue where dive sweep enemies could persist after death