Changed ip column in history to VARBINARY(16) to make it compatible with IPv6
Revert "Changed ip column in history to VARBINARY(16) to make it compatible with IPv6"

This reverts commit c014147e8d7555081fda498b7c0c3cada6396ae5.
#46 Ongoing work
#46 Most basic interactions in pricing box built; also improved client-side price validation throughout the plugin