corrected signatures on createPayloadArray and subsuquent calls to th…

…is method from IronQueue::later and IronQueue::push

Updated composer.json requirements for Laravel 5.7

fix for laravel not passing queue in the job payload

updated to support Laravel 5.6

Non-default queue handling

Fix for handling queues other than the default queue.

Merge pull request #26 from arubacao/5.5

Update the core to support the latest version of laravel 5.5

updates to support Laravel 5.4

Merge pull request #20 from trideout/5.3

5.3 support

Merge pull request #14 from HydrefLab/fix-for-queue-encrypter

Fix missing encrypter in Iron queue

Merge pull request #11 from carvefx/5.2

Control reservation timeouts when popping a new item off the queue