Driver option factory added, php version and other fixes

• Driver options are now build by services implementing DriverOptionsInterface, thanks @antoniojlm84
• Minimum php version is now 7.2
• Symfony version supported are 3.4.* and ^4.3
• Some deprecation warning fixed

1.0.0-ALPHA1: Minimum php version increased to 7.1

* Minimum php version -> 7.1
* Dropped support for Symfony 2.8
* Added facile-coding-standard and cs-fixer
* Added phpstan

0.7.4

Fixes #80 thanks @Jean85

0.7.3

#74 removed some deprecations (thank to @Jean85)

0.7.2

Fix (again) MongoFixtureInterface #70
Fixed bug in ordered fixture loading #71
Some improvements in travis CI

0.7.1

Fix MongoFixtureInterface signature #68
CI updates minimum stability on-the-fly #69

0.7.0

URI configuration option added to the client, thanks to @duxet

0.6.7

Return type in new interface fix

0.6.6

Fixtures loading order by numbering, thanks to @marcm-nix

0.6.5

Fix Profiler errors on symfony4+, thanks to @Dameon87