Don't print errors for WSAEACCES when ports are reserved in Windows.
pgsql: Eliminate race while flushing output buffer.
pgsql: Eliminate prepbuffer race (signal before wait and duplicate entries).
pgsql: Destroy condition instead of the mutex for stability.
precompile: Added some newlines in the generated code.
precompile: Allow UNDEFINED for voidable arguments.
pgsql: Cleanup & ensure gotdatarowdesc runs at most once per query.
pgsql: Move method closer to the data.