Added discounts?
Added discounts and tweaked a few things

Changed /sshop to just /shop
Formatted shortage error but doesn't include currencyName...?
Added itemName to Seconomy Transaction message

To provide more info
Formatted again
Merge pull request #1 from aMoka/master

Some crazy involvement with a mob
:|
Merge pull request #2 from bippity/master

Discounts and more detailed transactions for seconomy