
8-6-10 
Added uberpos_get_product()
Removed product lookup functionality from uberpos_add_product() and moved to uberpos_get_product()
Added basic input filtering in uberpos_ajax() to sanitize input before allowing it through.  
Fixed the enter-> form submit bug in IE.

8-8-10
Changed Uberpos JS to work with IE by binding keydown handler to document rather than window.
Added "Hold Focus" setting in uberpos.js (Off by default for now, shift + tab to trigger).  Default should be controllable from the settings page once it is fully tested.

8-9-10
Uberpos change is now logged to the data column of uc_payment_receipts.  
Updated Uberpos screen and receipt change handling to correctly handle change using the new storage.
Moved input filtering below the module specific interpreters.  Interpreters should implement their own filtering.

8-16-10
Fixed a bug where cashiers were being incorrectly assigned as customers due to a typo in uberpos_add_order().

10-1-10
Started saving last 4 digits of CC transactions in up_authorizenet.  