
TODO:
- Security:
  - might be an issue if admin changes shop ID while player is using
- Functionality:
  - add option to buy multiple of an item
  - optimize how refunds are given (e.g. if there is no room for 50s, but room for 1s, then give out 1s instead)
  - add shop for players to receive money for selling items
  - allow any currency value, not just 1, 5, 10, 50, & 100
  - allow custom currency types for buyer shops
- Visuals:
  - touch up textures
  - fix texture tiling
  - make 2 nodes high using mesh
- Misc.:
  - make usable with "folks" mod
  - add localization support
  - add chat command to reload shops file in world directory
  - set shop name from formspec instead of registration so shops with different names can use same content
  - fix so unknown items don't mess up shop
  - don't set node meta data "id" if not a registered shop ID
  - allow shops to be configured live
  - add player shops
  - prune non-registered items from shops (after server has finished startup)
