Started to improve error reporting for dynamic query errors.
Started to improve error reporting for dynamic query errors.

svn path=/trunk/eXist-1.0/; revision=1065

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