tables: add option to pass column size when creating a table

- add optionto the XmlComponent to `delete`/skip elements when exporting to xml

src/file/xml-components/xml-component.ts

@@ -12,6 +12,12 @@ export abstract class XmlComponent extends BaseXmlComponent {
 
     public prepForXml(): IXmlableObject {
         const children = this.root
+            .filter(c => {
+                if (c instanceof BaseXmlComponent) {
+                    return !c.isDeleted;
+                }
+                return true;
+            })
             .map((comp) => {
                 if (comp instanceof BaseXmlComponent) {
                     return comp.prepForXml();
@@ -27,4 +33,8 @@ export abstract class XmlComponent extends BaseXmlComponent {
     public addChildElement(child: XmlComponent | string) {
         this.root.push(child);
     }
+
+    public delete() {
+        this.deleted = true;
+    }
 }