Release 5.2.1

• Readme notes added;
• Coveralls integration fixed;

Release 5.1.1

• Readme notes added;
• Coveralls integration fixed;

Release 5.5.1

• Minor readme fixes;

Release 5.5.0

• Added separate branch and release for Laravel 5.5;

Release 5.4.0

• Added separate branch and release for Laravel 5.4;

Release 5.3.1

• Minor fixes to Laravel 5.3 support;

Release 5.3.0

• Added separate branch and release for Laravel 5.3;

Release 5.2.0

• Added separate branch and release for Laravel 5.2;

Release 5.1.0

• Added separate branch and release for Laravel 5.1;

Release 1.0.22

• Made different Travis test envs more independent;