Bug fixes, performance improvements, and quality-of-life updates.
* Forest maze possible softlock fixed
* Aspendale rooftops possible softlock fixed
* Better signposting for RAISE
* ZOOM achievement now achievable at any time in the game
* Fixed various locations where player can get "stuck"
* Blackout squares are now locked after solving
* Belmun NPC talk count persists across saves - fixes bug with INTRODUCTIONS achievement
* Minor polishing to some newspaper pages
* Added missing Spelling Mode hints
* Removed bug which allowed duplication of inventory letters
* Removed bug which allowed creation of empty inventory items
* General performance optimisations (including rotation fix thanks CBCicada)