Add "bigint" type to the Doctrine_Formatter::quote(...)

[Ton Sharp]

Index: Formatter.php
===================================================================
--- Formatter.php   (revision 2)
+++ Formatter.php   (working copy)
@@ -171,6 +171,7 @@
         case 'bool':
         case 'decimal':
         case 'int':
+        case 'bigint':
             return $input;
         case 'array':
         case 'object':

And will be nice create default case for it.