optClone wasn't in the associations path

lib/dao-factory.js

@@ -1458,11 +1458,14 @@ module.exports = (function() {
 
 
   var optClone = function (options) {
   var optClone = function (options) {
     return Utils._.cloneDeep(options, function (elem) {
     return Utils._.cloneDeep(options, function (elem) {
-      // The DAOFactories used for include are pass by ref, so don't clone them. Otherwise return undefined, meaning, 'handle this lodash'
+      // The DAOFactories used for include are pass by ref, so don't clone them.
       if (elem instanceof DAOFactory || elem instanceof Utils.col || elem instanceof Utils.literal || elem instanceof Utils.cast || elem instanceof Utils.fn || elem instanceof Utils.and || elem instanceof Utils.or) {
       if (elem instanceof DAOFactory || elem instanceof Utils.col || elem instanceof Utils.literal || elem instanceof Utils.cast || elem instanceof Utils.fn || elem instanceof Utils.and || elem instanceof Utils.or) {
         return elem
         return elem
       }
       }
+      // Unfortunately, lodash.cloneDeep doesn't preserve Buffer.isBuffer, which we have to rely on for binary data
+      if (Buffer.isBuffer(elem)) { return new Buffer(elem); }
 
 
+      // Otherwise return undefined, meaning, 'handle this lodash'
       return undefined
       return undefined
     })
     })
   }
   }