Merge branch 'devel' into 'master'

src/BuildDirector/LegacyBuildDirector.php

src/Builder/AbstractBuilder.php

src/Builder/InfoBuilder.php

src/Plugin/AbstractPlugin.php

src/Storage/Exception/ClassAlreadyExists.php

src/Storage/Exception/ClassNotExists.php

src/Storage/PluginStorage.php

src/Storage/StaticStorage.php

src/Storage/StorageFactory.php