made numberings compile properly

ts/numbering/abstract-numbering.ts

@@ -2,6 +2,7 @@ import {XmlComponent} from "../docx/xml-components";
 import {XmlAttributeComponent} from "../docx/xml-components";
 import {Level} from "./level";
 import {MultiLevelType} from "./multi-level-type";
+import * as _ from "lodash";
 
 interface AbstractNumberingAttributesProperties {
     abstractNumId?: Number,
@@ -32,4 +33,10 @@ export class AbstractNumbering extends XmlComponent {
     addLevel(level: Level): void {
         this.root.push(level);
     }
+    
+    clearVariables() {
+        _.forEach(this.root, element => {
+            element.clearVariables();
+        });
+    }
 }

ts/numbering/index.ts

@@ -83,8 +83,10 @@ export class Numbering extends MultiPropertyXmlComponent {
     }
     
     clearVariables() {
+        super.clearVariables();
         _.forEach(this.root, element => {
-           element.clearVariables(); 
+            console.log(element);
+            element.clearVariables();
         });
     }
 }