Acrobot/ChestShop-3 — pull request #20 by meiamsome (2012-08-14 00:53:26+00:00)
Title: Update com/Acrobot/ChestShop/Signs/ChestShopSign.java

Fixes problems with isValid() when used on a sign which has it's price line formatted with lower case letters. Also, uses RegEx to check the price line is valid.