Merge pull request #10 from mybuilder/symfony-4-compat

Symfony 4 compatibility

Merge pull request #8 from mybuilder/fix-deprecations

PSR-4 composer + autowire and register commands (Symfony 3.3+)

Merge pull request #7 from mybuilder/separate-placeholder-empty-value

Separate out check for placeholder and empty_value

Merge pull request #7 from mybuilder/separate-placeholder-empty-value

Separate out check for placeholder and empty_value

Version 2.2.0

Version 2.1.0-alpha1

version 0.5