(Upstream update 3.21.82 to 3.21.83)
=Version 3.21.83=
2014-06-26  Robert Stiles  <kk5vd@yahoo.com>
        10acfb7: Doxygen Inclusion

2014-06-16  David Freese  <w1hkj@w1hkj.com>
        03b141a: ARQ stx handshake
        ba246eb: Virtual ports
        1c38c93: New User Exit Behavior