Fixed some weird issues when creating a DateTime object from a UTCDateTime
Fixed some weird issues when creating a DateTime object from a UTCDateTime

10gen-labs/mongo-hhvm-driver-prototype,mongodb-labs/mongo-hhvm-driver-prototype,mongodb-labs/mongo-hhvm-driver-prototype,mongodb-labs/mongo-hhvm-driver,mongodb/mongo-hhvm-driver,mongodb-labs/mongo-hhvm-driver,mongodb/mongo-hhvm-driver,10gen-labs/mongo-hhvm-driver-prototype,jmikola/mongo-hhvm-driver,jmikola/mongo-hhvm-driver,jmikola/mongo-hhvm-driver-prototype,jmikola/mongo-hhvm-driver-prototype,jmikola/mongo-hhvm-driver,mongodb-labs/mongo-hhvm-driver-prototype,jmikola/mongo-hhvm-driver,mongodb-labs/mongo-hhvm-driver,mongodb/mongo-hhvm-driver,jmikola/mongo-hhvm-driver-prototype,10gen-labs/mongo-hhvm-driver-prototype,10gen-labs/mongo-hhvm-driver-prototype,mongodb/mongo-hhvm-driver,jmikola/mongo-hhvm-driver-prototype,mongodb-labs/mongo-hhvm-driver,mongodb-labs/mongo-hhvm-driver-prototype