Many small bug fixes & features!

We did it! Another release! 🎂And this contains many bug fixes and small features from various contributors. Highlights:

#238 Fixing bad empty line when source file uses tabs - thanks to @weaverryan
#190 - Str case mismatch - thanks to @localheinz
#197 - Preserve existing class metadata - thanks to @ro0NL
#214 - Fixing a bug where having relativizePath failed - thanks to @weaverryan
#205 - Do not prefix Command Class Name by 'App' if the prefix is app: - thanks to @lyrixx
#215 - make:entity: Add return type to getId() - thanks to @gharlan
#222, #202 - Don't make Twig filters safe for HTML by default - thanks to @lyrixx
#224 - Remove support for the deprecated json_array Doctrine type - thanks to @javiereguiluz
#221 - Extend from AbstractController when using Symfony 4.1 or higher - thanks to @javiereguiluz
#226 - Don't use :contains in the functional test tpl - thanks to @dunglas