[bugfix] fixed regression in predicate handling introduced by rev 9174. Leads to errors like: "cannot convert xs:boolean('false') to a node set"
[bugfix] fixed regression in predicate handling introduced by rev 9174. Leads to errors like: "cannot convert xs:boolean('false') to a node set"

svn path=/trunk/eXist/; revision=9178

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