Due to an influx of spam, we have had to impose restrictions on new accounts. Please see this wiki page for instructions on how to get full permissions. Sorry for the inconvenience.
Prior to this, --enable-thread-safety-constructor would disable it,
while --disable worked as expected, and no option left it enabled as
expected by default. This also fixes the --help text to be displayed.
Signed-off-by: Alan Coopersmith email@example.com