fixed bug in deletion of empty query contexts (refs #662)
fixed bug in deletion of empty query contexts (refs #662)

Quix0r/seeks,beniz/seeks,beniz/seeks,beniz/seeks,Quix0r/seeks,Quix0r/seeks,beniz/seeks,beniz/seeks,Quix0r/seeks,Quix0r/seeks,Quix0r/seeks