Fix #151. Timeout (-t) can be -1 (forever) or any number less than 4294967 which is 49 days and 17 h
Fix #151. Timeout (-t) can be -1 (forever) or any number less than 4294967
which is 49 days and 17 h

Signed-off-by: Eberhard S. Amann <abf3c3727151683d37ede95f5333c0b4875fd19d@de.ibm.com>

open-power/snap,open-power/snap,open-power/snap,open-power/snap,open-power/snap