XMLParser.XMLParseError : new exception class to signal parsing errors in the XML handling.
XMLParser.XMLParseError : new exception class to signal parsing errors in the XML handling.

XMLParser.openVistrail(): 
captures xml.parser.expat.ExpatError and reraises it as XMLParseError.

hjanime/VisTrails,minesense/VisTrails,minesense/VisTrails,Nikea/VisTrails,celiafish/VisTrails,minesense/VisTrails,VisTrails/VisTrails,hjanime/VisTrails,VisTrails/VisTrails,celiafish/VisTrails,Nikea/VisTrails,minesense/VisTrails,minesense/VisTrails,hjanime/VisTrails,Nikea/VisTrails,VisTrails/VisTrails,hjanime/VisTrails,VisTrails/VisTrails,celiafish/VisTrails,celiafish/VisTrails,VisTrails/VisTrails,hjanime/VisTrails,Nikea/VisTrails