Reward Points Full Suite 1.13a now uploaded

Additions:
Extended RewardPoints class so that external mods can hook into the Reward Points mod
Added code that Points Redeemed on an order are now subtracted from the Points Earned on that order.

Enhancement
Enhanced the Reward Points by Attribute and Reward Points on Sale/Special items code.

Bug Fixes
Fixed SQL bug in Sunrise Period.
Fixed bug in Customer Reward Points pending not being reduced after Sunrise Period