Fix Warning on 1 element collection

lib/Mooses/AbstractMongo.php

@@ -5,6 +5,10 @@
  *
  * @author Paolo Libertini <paolo.libertini@thinkopen.it>
  * @method getCollection()
+ * @method sendAsArray()
+ * @method getCollectionData()
+ * @method loadByAttribute()
+ * @method load()
  * @method addFieldToFilter($_attributeName, $_value)
  * @method addFieldToSelect($_attributeName)
  */