Keep track of the node types added to the node set and overwrite AbstractNodeSet.getItemType().
Keep track of the node types added to the node set and overwrite AbstractNodeSet.getItemType().

svn path=/trunk/eXist-1.0/; revision=1689

adamretter/exist,ljo/exist,dizzzz/exist,MjAbuz/exist,wshager/exist,zwobit/exist,patczar/exist,lcahlander/exist,olvidalo/exist,jessealama/exist,ambs/exist,dizzzz/exist,ambs/exist,shabanovd/exist,ljo/exist,lcahlander/exist,RemiKoutcherawy/exist,joewiz/exist,MjAbuz/exist,ambs/exist,jessealama/exist,lcahlander/exist,MjAbuz/exist,RemiKoutcherawy/exist,zwobit/exist,joewiz/exist,joewiz/exist,kohsah/exist,dizzzz/exist,ambs/exist,eXist-db/exist,kohsah/exist,ljo/exist,zwobit/exist,joewiz/exist,eXist-db/exist,adamretter/exist,opax/exist,olvidalo/exist,windauer/exist,ljo/exist,jessealama/exist,lcahlander/exist,windauer/exist,olvidalo/exist,patczar/exist,joewiz/exist,dizzzz/exist,zwobit/exist,wolfgangmm/exist,opax/exist,dizzzz/exist,hungerburg/exist,adamretter/exist,jensopetersen/exist,wshager/exist,lcahlander/exist,ljo/exist,RemiKoutcherawy/exist,eXist-db/exist,hungerburg/exist,shabanovd/exist,MjAbuz/exist,wshager/exist,kohsah/exist,zwobit/exist,wolfgangmm/exist,jensopetersen/exist,adamretter/exist,adamretter/exist,jensopetersen/exist,shabanovd/exist,opax/exist,hungerburg/exist,MjAbuz/exist,wolfgangmm/exist,shabanovd/exist,jensopetersen/exist,olvidalo/exist,MjAbuz/exist,RemiKoutcherawy/exist,shabanovd/exist,shabanovd/exist,ambs/exist,kohsah/exist,opax/exist,windauer/exist,wshager/exist,wshager/exist,patczar/exist,lcahlander/exist,kohsah/exist,kohsah/exist,wolfgangmm/exist,RemiKoutcherawy/exist,patczar/exist,patczar/exist,eXist-db/exist,jessealama/exist,windauer/exist,patczar/exist,jensopetersen/exist,RemiKoutcherawy/exist,eXist-db/exist,jessealama/exist,hungerburg/exist,hungerburg/exist,joewiz/exist,ambs/exist,dizzzz/exist,jessealama/exist,ljo/exist,windauer/exist,windauer/exist,wshager/exist,olvidalo/exist,zwobit/exist,jensopetersen/exist,opax/exist,eXist-db/exist,wolfgangmm/exist,adamretter/exist,wolfgangmm/exist