HPCC-10522 Regression Suite --timeout and --pq (parallel query) parameters
don't documented well

Add more detail to README.rst and the built in help too.

Signed-off-by: Attila Vamos <attila.vamos@gmail.com>
HPCC-10522 Regression Suite --timeout and --pq (parallel query) parameters
don't documented well

Update after review.

Signed-off-by: Attila Vamos <attila.vamos@gmail.com>