Episode 21 RPG Starter Kit Uploaded

The export of the code for Episode 21 of the RPG Starter Kit has now been uploaded.

This episode covers some fixes for things that were left out of Episode 20, Monsters using spells, 2 NEW spells (Sleep / Poisen) and a

"BattleType" enumerator for monsters - so you can assign the same type to monsters that will generally fight in the same way