Fixed configuration variables
Merge pull request #6 from mvdriel/fix-configuration-variables

Fixed configuration variables
fix php fatal error if optional pcntl php extension is not available

of course Worker process interruptions then won't get caught for that pcntl
must be available.
Merge pull request #8 from jcsiegrist/fix_fatal_error_on_missing_pcntl

fix php fatal error if optional pcntl php extension is not available