
v1.4
----
- fixed custom suffix not reflected in product list & messages
- custom quantity can be set
- unregistered items are pruned from shops after server startup
- fixed buyer shop not refunding on formspec close
- added setting to disable auto-refunding on formspec close
- currencies can be registered with any whole number value
- "currencies" key in server_shops.json used to register multiple currencies
- buyer shops now have "sell" button instead of automatically selling when item is dropped
- added localization support
- money is placed directly into player inventory when selling instead of using deposit medium


v1.3
----
- added buyer shops
- changed json product list type to indexed array

v1.2
----
- custom currencies can be registered
- changed format of world "server_shops.json":
  - "sells" keyword changed to "products"
  - added required "type" keyword can be:
    - "sell" to register new seller shop
    - "currency" to register new currency
    - "suffix" to set a suffix to display after deposited amount
  - currencies can be registered using "currency" type:
    - subkeys are "name" (string) & "value" (number)
- "currency" mod minegeld notes not registered automatically
- displayed currency suffix can be customized or omitted
- no longer uses node meta for formspec

v1.1
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- use json format for shops configuration in world directory
- switched id & name parameters positions in register_shop
- show preview image of selected item
- node owners can't set ID unless they have "server" priv

v1.0
----
- created node
- created simple textures
- formspec displays items & prices of associated shop
- minegeld notes can be deposited & refunded
- shops are configured from world directory
- players with "server" priv or node owners can set ID
- players with "server" priv or node owners can dig
- implemented deposit, purchase, & refund functionality
