Add forward mode (bamarni#67)

Fix deprecations from Symfony debug (bamarni#66)

Restore support for PHP 5.5.9+ (bamarni#55)

Add support for Composer2

Do not fail hard when installing no dev deps (bamarni#45)

remove 5.3 from travis config

release v1.1.0

update branch alias

Merge config from local composer.json if present

Fixes bamarni#4

make global syntax more visible