Add light switch to hallway
Add exit doorway and win condition
Add hammer inventory item
Toggle game flags from debug panel
Refactor extract superclass
Prevent leaving with the vase
Package views into application
Do not load templated paths
Expand developer instructions
Require key to actually win
Add framework for item-on-item handlers
Allow key to be obtained
Clarify message
Allow inventory message to be cleared
Prevent images from being inverted