Various fixes

js/serialization/ISerializer.js

@@ -51,14 +51,14 @@ export default class ISerializer {
         let result = ""
         let fullKey = key.concat("")
         const last = fullKey.length - 1
-        for (const property in object) {
+        for (const property of Object.getOwnPropertyNames(object)) {
             fullKey[last] = property
             const value = object[property]
             if (object[property]?.constructor === Object) {
                 // Recursive call when finding an object
                 result += (result.length ? this.separator : "")
                     + this.subWrite(fullKey, value)
-            } else if (this.showProperty(fullKey, value)) {
+            } else if (value !== undefined && this.showProperty(fullKey, value)) {
                 result += (result.length ? this.separator : "")
                     + this.prefix
                     + this.attributeKeyPrinter(fullKey)

js/serialization/ObjectSerializer.js

@@ -51,7 +51,7 @@ ${this.subWrite([], object)
             + object
                 .CustomProperties.map(pin => this.separator + this.prefix + "CustomProperties " + SerializerFactory.getSerializer(PinEntity).write(pin))
                 .join("")}
-End Object`
+End Object\n`
         return result
     }
 }

js/serialization/initializeSerializerFactory.js

@@ -28,7 +28,7 @@ export default function initializeSerializerFactory() {
     )
     SerializerFactory.registerSerializer(
         LocalizedTextEntity,
-        new GeneralSerializer(v => `${LocalizedTextEntity.lookbehind}(${v})`, LocalizedTextEntity, "", ",", false, "", _ => "")
+        new GeneralSerializer(v => `${LocalizedTextEntity.lookbehind}(${v})`, LocalizedTextEntity, "", ", ", false, "", _ => "")
     )
     SerializerFactory.registerSerializer(
         PinReferenceEntity,