Merge pull request traderinteractive#50 from chadicus/master

Fix millisecond / max int / second issue

Merge pull request traderinteractive#48 from chadicus/master

Loosen restrictions to PHP 5.6 or PHP 7

Merge pull request traderinteractive#40 from chadicus/master

Construct Queue with MongoCollection

Merge pull request traderinteractive#25 from gaillard/master

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

Merge pull request traderinteractive#15 from nubs/master

Add php 5.5 to travis build.

Merge pull request traderinteractive#2 from gaillard/master

gitignore, license, queue source/tests, readme, composer config, travis-ci config