coerce may be boolean or object

Author: danielb2

lib/xml2json.js

@@ -144,7 +144,7 @@ module.exports = function(xml, _options) {
     var schema = {
         object: joi.boolean().default(false),
         reversible: joi.boolean().default(false),
-        coerce: joi.boolean().default(true),
+        coerce: joi.alternatives([joi.boolean(), joi.object()]).default(true),
         sanitize: joi.boolean().default(true),
         trim: joi.boolean().default(true),
         arrayNotation: joi.boolean().default(false)