Fixed bug in Parameter Exploration where the view was not updated correctly when the version was changed.
Fixed bug in Parameter Exploration where the view was not updated correctly when the version was changed.

class QParameterExplorationTable.setPipeline()
  there was a bug in the code that considered a ParameterInfo as an indexable object instead of an InstanceObject.

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