Merge pull request #9 from enygma/protected-doparse

Making doParse protected (for issue #8)

src/Parser.php

@@ -103,7 +103,7 @@ public static function parse($content, array $context = array())
      *
      * @return array The .env contents
      */
-    private function doParse($content)
+    protected function doParse($content)
     {
         $raw_lines = array_filter($this->makeLines($content), 'strlen');