* Unified IO switching code
* Add: MFSK31 and MFSK16 use for KISS IO operations
* Add: KISS IO Auto connect on FLDIGI start up
* In Listen Mode (TCP) on disconnect returns to waiting for connection.
* TCP none listing mode connection tries 10 (one sec interval) times
before giving up.
* Save/restore KPSQL button state.
* User 7bit modem switch warning is now selectable
* Logic error when saving FLDIGI progStatus.data_io_enable variable.
* Add: TXLOCK:<ON|OFF> command to the KISS hardware command set.
* Assign/Compare KISS hardware modem names in capital letter form.
* Add: Close KISS Socket on write fail.
* Fixed issues effecting Win32 compile.
* Add: Test compiler for C++11 support. Configuration macro added but not
used until other FLDIGI source code c++11 compiler error are resolved.
Recent compilers require c++11 in other to use std::bind().
* Correct typedef clockid_t conflict between timeops.h and
pthead_time.h
* Add new IO panel widgets to the lock/unlock mechanism.
* Restore initial IO panel locked state.
Robert Stiles