Add id parameter in TabDitective

[akarabach]

I want create inline tabs like this

<tabset>
  <my-wrapper>
    <tab [heading]="'tab1'" [id]="'unique1''">
      <tabset>
        <my-wrapper>
          <tab [heading]="'tab1'" [id]="'unique2'"></tab>
        </my-wrapper>
        <my-wrapper>
          <tab [heading]="'tab2'" [id]="'unique3'"></tab>
        </my-wrapper>
      </tabset>
    </tab>
  </my-wrapper>
</tabset>

Before i want control tabs from my-wrapper (@ContenChildren(TabDirective)), but my tabs have the same heading and i don't how i can distinguish tabs by heading.
Please, add id parameter in TabDirective