Log records on cashier sign in and sign out
Code styling cleanup: login2.php, Steering.php
Reset fs total flag in both globalvalues and session simultaneously
BUGFIX: voiding item after non-cash tender failed silently
E2E configurability: use TenderCode returned by query instead of
session setting. Normalizes capitalization, reduces potential for
mistakes copying boilerplate behavior
Notice if non-fs items are present before charging fs card
Lookup last use date when enforcing house coupon usage limits
Paycard confirmation: use javascript to avoid double keypress on enter
causing double form submission
Disable UPC check for previous payment until double submit issues resolved