Added Symfony Support

Hi!

This release adds Symfony 5 support, as well as a few other minor changes: v1.1.0...v1.2.0

Enjoy!

v1.1.0

• Add bypass-proxy-for option added in 0.12.3 (see #302)
• Fix symfony/process 4.2 deprecation notice (see #331)
• Drop suppor for unmaintained PHP versions (5.6 and 7.0, see #337
• Drop support for unmaintained symfony/process versions (see #337)
• Pass on error code in checkProcessStatus (see #328)

Thanks to @joshpme, @drigani, @fbourigault, @NiR- and @leimd for their work.

v1.0.4

• Support cache-dir for Image generation (see #297).

Thank you @dimitrilahaye for your work.

v1.0.3

• Add support to Symfony 4 (#290)
• Use PHPUnit\Framework\TestCase instead of PHPUnit_Framework_TestCase (#287)

Credits go to @michaelperrin and @carusogabriel.

v1.0.2

1.0.2

A BC break was introduced in v1.0.0: using objects castable to string with a cyclic dependency to the generator as option value would break setOption() / setOptions() methods.

• Use logger context rather than var_export to log option values (see #283)

Credits go to: @barryvdh.

v1.0.1: Merge pull request #271 from KnpLabs/changelog-update

• Fix Call to a member function debug() on null logger

v1.0

• Don't check if it's a file when the path is bigger than PHP_MAXPATHLEN (see #224)
• Pass image-dpi and image-quality options as integer (see #251)
• Improve documentation readability (see #255)
• Add logging capabilities to generators (see #264)
• Add some more frequent questions/issues to the FAQ (see #263, #265, #266)

Credits go to: @wouterbulten, @martinssipenko, @Herz3h, @akovalyov, @NiR-.

v0.5.0

• Drop support for PHP v5.3, v5.4 and v5.5
• Add support for PHP v7.1
• Little docs fixes
• Add quiet option to Image generator
• Add keep-relative-links and resolve-relative-links

0.4.3: Merge pull request #195 from KnpLabs/feature/symfony3-compat

• Added ability to install it with Symfony/Process ~3.0.
• Added load-media-error-handling for image rendering.

0.4.2

Add link to FAQ