Made requestHandler() query_string argument truly optional to match existing API docs
Made requestHandler() query_string argument truly optional to match existing API docs

moskvax/TileStache,Billups/TileStache,TileStache/TileStache,Blechhirn/TileStache,moskvax/TileStache,Kosta-Github/TileStache,Blechhirn/TileStache,Billups/TileStache,MetGIS/TileStache,MetGIS/TileStache,TileStache/TileStache,MetGIS/TileStache,Blechhirn/TileStache,Kosta-Github/TileStache,SEL-Columbia/TileStache,jbants/TileStache,mapzen/TileStache,jbants/TileStache,mapzen/TileStache,mapzen/TileStache,TileStache/TileStache,SEL-Columbia/TileStache,moskvax/TileStache,Kosta-Github/TileStache,SEL-Columbia/TileStache,jbants/TileStache,Billups/TileStache