Fix ttl when getMaxAge is equal to 0
Fix ttl when getMaxAge is equal to 0

barryvdh/guzzle3,legovaer/guzzle3,rsauvatinet/guzzle3,roundpartner/guzzle3,jabong/guzzle3,guzzle/guzzle3,kminh/guzzle3,kminh/guzzle3,rsauvatinet/guzzle3,jabong/guzzle3,SharpSpring/guzzle3,barryvdh/guzzle3,SharpSpring/guzzle3,guzzle/guzzle3,roundpartner/guzzle3,legovaer/guzzle3