diff --git a/js/typedjson.js b/js/typedjson.js
index 58681cf..545cfc3 100644
--- a/js/typedjson.js
+++ b/js/typedjson.js
@@ -1,4 +1,4 @@
-// [typedjson]  Version: 1.3.1 - 2019-07-31  
+// [typedjson]  Version: 1.4.0 - 2019-07-31  
  (function webpackUniversalModuleDefinition(root, factory) {
 	if(typeof exports === 'object' && typeof module === 'object')
 		module.exports = factory();
diff --git a/js/typedjson.min.js b/js/typedjson.min.js
index edc1b2c..24ff39b 100644
--- a/js/typedjson.min.js
+++ b/js/typedjson.min.js
@@ -1,3 +1,3 @@
-// [typedjson]  Version: 1.3.1 - 2019-07-31  
+// [typedjson]  Version: 1.4.0 - 2019-07-31  
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this.serializer.convertAsMap(e,r,this.rootConstructor)}catch(e){this.errorHandler(e)}},o.prototype.stringify=function(e){var r=this.toPlainJson(e);return void 0===r?"":JSON.stringify(r,this.replacer,this.indent)},o.prototype.stringifyAsArray=function(e,r){return JSON.stringify(this.toPlainArray(e,r),this.replacer,this.indent)},o.prototype.stringifyAsSet=function(e){return JSON.stringify(this.toPlainSet(e),this.replacer,this.indent)},o.prototype.stringifyAsMap=function(e,r){return JSON.stringify(this.toPlainMap(e,r),this.replacer,this.indent)},o.prototype._mapKnownTypes=function(e){var r=this,t=new Map;return e.filter(function(e){return e}).forEach(function(e){return t.set(r.nameResolver(e),e)}),t},o}();function k(e){var o;function r(e){var t;if(e.prototype.hasOwnProperty(s))(t=e.prototype[s]).classType=e;else{t=new v(e);var r=e.prototype[s];r&&(r.dataMembers.forEach(function(e,r){return t.dataMembers.set(r,e)}),r.knownTypes.forEach(function(e){return t.knownTypes.add(e)})),Object.defineProperty(e.prototype,s,{enumerable:!1,configurable:!1,writable:!1,value:t})}t.isExplicitlyMarked=!0,t.onDeserializedMethodName=o.onDeserialized,t.initializerCallback=o.initializer,o.name&&(t.name=o.name);var n=g(o);n&&(t.options=n),"string"==typeof o.knownTypes?t.knownTypeMethodName=o.knownTypes:o.knownTypes instanceof Array&&o.knownTypes.filter(function(e){return!!e}).forEach(function(e){return t.knownTypes.add(e)})}if(o="function"==typeof e?{}:e||{},"function"!=typeof e)return r;r(e)}function E(i,e){if(!(i instanceof Object)||"string"!=typeof e&&"symbol"!=typeof e)return function(e,r){var t,n=i||{},o="@jsonMember on "+m(e.constructor)+"."+String(r);if(n.hasOwnProperty("constructor")){if(!h(n.constructor))return void l(o+": cannot resolve specified property constructor at runtime.");y&&!d(n.constructor,Reflect.getMetadata("design:type",e,r))&&p(o+": detected property type does not match 'constructor' option."),t=n.constructor}else if(y){if(!(t=Reflect.getMetadata("design:type",e,r)))return void l(o+": cannot resolve detected property constructor at runtime.")}else if(!n.deserializer)return void l(o+": ReflectDecorators is required if no 'constructor' option is specified.");S(o,t)||w(e,r,{ctor:t,emitDefaultValue:n.emitDefaultValue,isRequired:n.isRequired,options:g(n),key:r.toString(),name:n.name||r.toString(),deserializer:n.deserializer,serializer:n.serializer})};var r=i,t="@jsonMember on "+m(r.constructor)+"."+String(e);if(y){var n=Reflect.getMetadata("design:type",r,e);n?S(t,n)||w(r,e,{ctor:n,key:e.toString(),name:e.toString()}):l(t+": could not resolve detected property constructor at runtime.")}else l(t+": ReflectDecorators is required if no 'constructor' option is specified.")}function S(e,r){return r===Array?(l(e+": property is an Array. Use the jsonArrayMember decorator to serialize this property."),!0):r===Set?(l(e+": property is a Set. Use the jsonSetMember decorator to serialize this property."),!0):r===Map&&(l(e+": property is a Map. Use the jsonMapMember decorator to serialize this property."),!0)}function _(a,c){return void 0===c&&(c={}),function(e,r){var t="@jsonArrayMember on "+m(e.constructor)+"."+String(r);if("function"==typeof a){var n,o,i,s=void 0===c.dimensions?1:c.dimensions;if(!isNaN(s)&&s<1)l(t+": 'dimensions' option must be at least 1.");else if(y&&Reflect.getMetadata("design:type",e,r)!==Array)l(t+": property is not an Array.");else w(e,r,{ctor:Array,elementType:(n=a,o=s,i=new Array(o).fill(Array,0,-1),i[o-1]=n,i),emitDefaultValue:c.emitDefaultValue,isRequired:c.isRequired,options:g(c),key:r.toString(),name:c.name||r.toString(),deserializer:c.deserializer,serializer:c.serializer})}else l(t+": could not resolve constructor of array elements at runtime.")}}function j(n,o){return void 0===o&&(o={}),function(e,r){var t="@jsonSetMember on "+m(e.constructor)+"."+String(r);"function"==typeof n?y&&Reflect.getMetadata("design:type",e,r)!==Set?l(t+": property is not a Set."):w(e,r,{ctor:Set,elementType:[n],emitDefaultValue:o.emitDefaultValue,isRequired:o.isRequired,options:g(o),key:r.toString(),name:o.name||r.toString(),deserializer:o.deserializer,serializer:o.serializer}):l(t+": could not resolve constructor of set elements at runtime.")}}function z(n,o,i){return void 0===i&&(i={}),function(e,r){var t="@jsonMapMember on "+m(e.constructor)+"."+String(r);"function"==typeof n?"function"==typeof o?y&&Reflect.getMetadata("design:type",e,r)!==Map?l(t+": property is not a Map."):w(e,r,{ctor:Map,elementType:[o],keyType:n,emitDefaultValue:i.emitDefaultValue,isRequired:i.isRequired,options:g(i),key:r.toString(),name:i.name||r.toString(),deserializer:i.deserializer,serializer:i.serializer}):l(t+": could not resolve constructor of map values at runtime."):l(t+": could not resolve constructor of map keys at runtime.")}}function N(r){if("function"!=typeof r)return function(e){O(e,r)};O(r,{})}function O(e,r){if(!r.overwrite&&e.prototype.toJSON)throw new Error(e.name+" already has toJSON defined!");e.prototype.toJSON=function(){return C.toPlainJson(this,Object.getPrototypeOf(this).constructor)}}t.d(r,"TypedJSON",function(){return C}),t.d(r,"jsonObject",function(){return k}),t.d(r,"jsonMember",function(){return E}),t.d(r,"jsonArrayMember",function(){return _}),t.d(r,"jsonSetMember",function(){return j}),t.d(r,"jsonMapMember",function(){return z}),t.d(r,"toJson",function(){return N})}])});
 //# sourceMappingURL=typedjson.min.js.map 
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
index d4c7269..04d41d3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "typedjson",
-  "version": "1.3.1",
+  "version": "1.4.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index f5deb5c..cc26cb4 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "typedjson",
-  "version": "1.3.1",
+  "version": "1.4.0",
   "description": "Typed JSON parsing and serializing for TypeScript that preserves type information, using decorators. Parse JSON into actual class instances.",
   "main": "./js/typedjson.js",
   "typings": "./js/typedjson.d.ts",