Fix class invocation incompatibility with PHP 5.6 and below

Author: baileyherbert

src/EnvatoClient.php

@@ -51,7 +51,8 @@ public function __construct(AuthProcedure $auth) {
             $this->procedure = $auth;
 
             // Get the schema
-            $this->schema = (new Schema())();
+            $o = (new Schema());
+            $this->schema = $o();
         }
 
         public function __get($property) {
@@ -78,4 +79,4 @@ public function getToken() {
         }
     }
 
-}
+}