Laravel 6 Support

[nelkasovic]

Using version ^1.1 for rennokki/rating
./composer.json has been updated
Loading composer repositories with package information
Updating dependencies (including require-dev)
Your requirements could not be resolved to an installable set of packages.

Problem 1
- Installation request for rennokki/rating ^1.1 -> satisfiable by rennokki/rating[1.1.0].
- Conclusion: remove laravel/framework v6.0.3
- Conclusion: don't install laravel/framework v6.0.3
- rennokki/rating 1.1.0 requires laravel/framework ~5.5 -> satisfiable by laravel/framework[5.5.x-dev, 5.6.x-dev, 5.7.x-dev, 5.8.x-dev].
- Can only install one of: laravel/framework[5.5.x-dev, v6.0.3].
- Can only install one of: laravel/framework[5.6.x-dev, v6.0.3].
- Can only install one of: laravel/framework[5.7.x-dev, v6.0.3].
- Can only install one of: laravel/framework[5.8.x-dev, v6.0.3].
- Installation request for laravel/framework (locked at v6.0.3, required as ^6.0) -> satisfiable by laravel/framework[v6.0.3].

Installation failed, reverting ./composer.json to its original content.