Reset the keepaliveTimer if we were able to send data.
Move the div that holds Refund and Full Auth Reversal buttons to the top of the output.
Add card range 6012 as Discover (China Union Pay).
Improve the auto-reveral timer cancellation. The timer is now destroyed rather than just being stopped.
Add support for creating two types of reversal transactions. TimeoutReversal transaction type is supported and created automatically by timer.
Remove the keepaliveTimer. It only exists in the VendorClientConnection class.
Update the default log level to DEBUG.
Change a couple of logger calls.