Merge branch 'master' into refactoring_file_container

# Conflicts:
#	src/Container/FileContainer.php

Author: eugene-matvejev

README.md

@@ -1,4 +1,5 @@
 [![Scrutinizer Code Quality](https://scrutinizer-ci.com/g/learn-symfony/css-compiler/badges/quality-score.png?b=master)](https://scrutinizer-ci.com/g/learn-symfony/css-compiler/?branch=master)
+[![codecov](https://codecov.io/gh/learn-symfony/css-compiler/branch/master/graph/badge.svg)](https://codecov.io/gh/learn-symfony/css-compiler)
 [![SensioLabsInsight](https://insight.sensiolabs.com/projects/b72078dc-94a7-492f-9deb-3829c41d2519/mini.png)](https://insight.sensiolabs.com/projects/b72078dc-94a7-492f-9deb-3829c41d2519)
 
 [![Latest Stable Version](https://poser.pugx.org/eugene-matvejev/css-compiler/version)](https://packagist.org/packages/eugene-matvejev/css-compiler)

src/Container/FileContainer.php

@@ -4,6 +4,9 @@
 
 use EM\CssCompiler\Exception\FileException;
 
+/**
+ * @since 0.1
+ */
 class FileContainer
 {
     const TYPE_UNKNOWN    = 'unknown';

src/Exception/CompilerException.php

@@ -2,6 +2,9 @@
 
 namespace EM\CssCompiler\Exception;
 
+/**
+ * @since 0.1
+ */
 class CompilerException extends \Exception
 {
 }

src/Exception/FileException.php

@@ -2,6 +2,9 @@
 
 namespace EM\CssCompiler\Exception;
 
+/**
+ * @since 0.1
+ */
 class FileException extends \Exception
 {
 }

src/Processor/Processor.php

@@ -9,6 +9,9 @@
 use lessc as LESSCompiler;
 use scss_compass as CompassCompiler;
 
+/**
+ * @since 0.1
+ */
 class Processor
 {
     const FORMATTER_COMPRESSED = 'compressed';