Coule changes to work with newer pecl mongo extension without breaking existing.
Coule changes to work with newer pecl mongo extension without breaking existing.

chadicus/mongo-queue-php,nubs/mongo-queue-php,nubs/mongo-queue-php,daniel-sc/mongo-queue-php,daniel-sc/mongo-queue-php,dominionenterprises/mongo-queue-php,dominionenterprises/mongo-queue-php,chadicus/mongo-queue-php