Fix form populating with array names
Added tests for FormBuilder
Add ability to append items to model arrays / JSON.
Update change log.
Fixing DocBlock for Model.php

Fixing a small typo and adding `@var array` to DocBlock for new appends functionality.
Merge pull request #2115 from jenssegers/4.0

Fixing DocBlock for Model.php
Cleaning up some tech debt in the Eloquent builder and relationship management.
Return the array from array_set.
Fix typo in doc block.
Fix spacing in doc block.
Get default connection name on null reconnect.
Added new preg_replace_array helper.
Pass replacements by reference and rename function.
Fix function check.
Allow Redis connection to be configurable.
work on test.
extract an if check into a method.
Merge pull request #2036 from Ruby184/fix/form-populating-with-array-names

Fix form populating with array names
Clean up a little code in the form builder.
Revert change that broke accessor listing.