Fix issue with exception that occurred when querying "title!=''" on a multi-language title field.
Fix issue with exception that occurred when querying "title!=''" on a multi-language title field.

rusjoan/poly-hackaton,ryancramerdesign/ProcessWire,fezde/ProcessWire,ryancramerdesign/ProcessWire,ryancramerdesign/ProcessWire,ryancramerdesign/ProcessWire,rusjoan/poly-hackaton,ryancramerdesign/ProcessWire,fezde/ProcessWire,fezde/ProcessWire,fezde/ProcessWire,fezde/ProcessWire,rusjoan/poly-hackaton,rusjoan/poly-hackaton,rusjoan/poly-hackaton