Refactoring tests

Update README.md

Update compatibility information

Fix issue with chunkById.

Fix Unable to set a custom collection for models

Added support for "whereAll" queries

fix typo in README.md

fix closing bracket typo

DSN configuration example added to readme

Add L5.5 support

Apply fixes from StyleCI

Added missing dependency

Add Hybrid `has` and `whereHas` functionality

Update README.md

Update more guide for $slide and $skip

Change
DB::collection('items')->project(['tags' => array('$slice' => 1]))->get();
To
DB::collection('items')->project(['tags' => array('$slice' => 1)])->get();

[Bug Fix][Validation][Security] Fix working of unique and exists

Aggregation shouldn't mutate querybuilder

Add default attribute to `EmbedsOneOrMany::create` method

Tiny wording change, change "table" to "collection"

Fixes missing QueryGrammar in Connection class

Support Auto-Discovery

Fix: Missing return statement