Add Symfony v4 support

Merge pull request #110 from worldia/chore/symfony-v4-support

chore(Deps): add Symfony v4 support

Ease configuration through a single DSN string

v1.0.0

feat(Config): configure http client through dsn string for eased env …

Add project documents statuses getter

v0.7.1

Add project documents statuses getter. (#103)

Add ApiTemplates endpoint

v0.7.0

Add ApiTemplates endpoint (#102)

Add get my authors who can do a project

Add get potential authors for a project (#97)

Add test

Feat.add test textmasters (#96)

* Add test for create project with no textmaster

* Update textmaster id

Add textmasters option at Project creation

v0.5.0

Add textmasters parameters in create project (#95)

Refactor handler

v0.4.1

Fix translation memory constant name (#94)

Refactor translator

v0.3.0

Update callback event name

Add work template property to Project

v0.2.7

Add work template property to project (#85)