Revert "composer package update"

This reverts commit e979959219.

vendor/leafo/scssphp/src/Exception/CompilerException.php

@@ -0,0 +1,21 @@
+<?php
+/**
+ * SCSSPHP
+ *
+ * @copyright 2012-2018 Leaf Corcoran
+ *
+ * @license http://opensource.org/licenses/MIT MIT
+ *
+ * @link http://leafo.github.io/scssphp
+ */
+
+namespace Leafo\ScssPhp\Exception;
+
+/**
+ * Compiler exception
+ *
+ * @author Oleksandr Savchenko <traveltino@gmail.com>
+ */
+class CompilerException extends \Exception
+{
+}

vendor/leafo/scssphp/src/Exception/ParserException.php

@@ -0,0 +1,21 @@
+<?php
+/**
+ * SCSSPHP
+ *
+ * @copyright 2012-2018 Leaf Corcoran
+ *
+ * @license http://opensource.org/licenses/MIT MIT
+ *
+ * @link http://leafo.github.io/scssphp
+ */
+
+namespace Leafo\ScssPhp\Exception;
+
+/**
+ * Parser Exception
+ *
+ * @author Oleksandr Savchenko <traveltino@gmail.com>
+ */
+class ParserException extends \Exception
+{
+}

vendor/leafo/scssphp/src/Exception/RangeException.php

@@ -0,0 +1,21 @@
+<?php
+/**
+ * SCSSPHP
+ *
+ * @copyright 2012-2018 Leaf Corcoran
+ *
+ * @license http://opensource.org/licenses/MIT MIT
+ *
+ * @link http://leafo.github.io/scssphp
+ */
+
+namespace Leafo\ScssPhp\Exception;
+
+/**
+ * Range exception
+ *
+ * @author Anthon Pang <anthon.pang@gmail.com>
+ */
+class RangeException extends \Exception
+{
+}

vendor/leafo/scssphp/src/Exception/ServerException.php

@@ -0,0 +1,21 @@
+<?php
+/**
+ * SCSSPHP
+ *
+ * @copyright 2012-2018 Leaf Corcoran
+ *
+ * @license http://opensource.org/licenses/MIT MIT
+ *
+ * @link http://leafo.github.io/scssphp
+ */
+
+namespace Leafo\ScssPhp\Exception;
+
+/**
+ * Server Exception
+ *
+ * @author Anthon Pang <anthon.pang@gmail.com>
+ */
+class ServerException extends \Exception
+{
+}