Laravel 6 support - I didn't test it yet

[elreco]

What kind of change does this PR introduce? (check at least one)

• Bugfix
• Feature
• Code style update
• Refactor
• Build-related changes
• Other, please describe:

Does this PR introduce a breaking change? (check one)

• Yes
• No

If yes, please describe the impact and migration path for existing applications:

The PR fulfills these requirements:

• It's submitted to the development branch, not the master branch
• When resolving a specific issue, it's referenced in the PR's title (e.g. fix #xxx[,#xxx], where "xxx" is the issue number)
• All PHPUnit tests are passing
• New/updated tests are included (if applicable)

Other information:

[elreco]

Hello,

I will test it on a fresh laravel 6 project. I keep you update.

[elreco]

It seems to work fine!

[junlarsen]

Thanks for your contribution :)

Released as 1.5.1

[junlarsen]

Will be reverting this as it broke on non-laravel systems. Will find an alternative way of using the env helper.