Resolve "Addition of element role inside element respPerson"
Closes #134
<dcc:respPerson>
<dcc:person>
<dcc:name>
<dcc:content>Vorname1 Name1</dcc:content>
</dcc:name>
<dcc:eMail>vorname1.name1@ptb.de</dcc:eMail>
</dcc:person>
<dcc:role>head</dcc:role>
<dcc:mainSigner>true</dcc:mainSigner>
</dcc:respPerson>
Edited by Jan Loewe