Hotfix v0.20a

A couple of late night fixes before bed. Morning for some of you, almost morning for me.

• Fixed a bug that would stop your ability to shoot as the Pyromancer, if you leveled up exactly when you started using your Theurgic ability
  
• Fixed (hopefully) a bug that would prevent the Ring Bearer achievement from triggering
  
• Fixed (hopefully) a bug that would prevent the Ring Wraith achievement from triggering