fix bug in range display.
fix bug in range display.

rodsol/relex-temp,anitzkin/relex,rodsol/relex,ainishdave/relex,anitzkin/relex,rodsol/relex,ainishdave/relex,AmeBel/relex,rodsol/relex,anitzkin/relex,ainishdave/relex,virneo/relex,opencog/relex,virneo/relex,anitzkin/relex,virneo/relex,rodsol/relex-temp,opencog/relex,williampma/relex,opencog/relex,AmeBel/relex,williampma/relex,AmeBel/relex,williampma/relex,leungmanhin/relex,leungmanhin/relex,ainishdave/relex,williampma/relex,rodsol/relex-temp,virneo/relex,rodsol/relex-temp,linas/relex,rodsol/relex,rodsol/relex-temp,leungmanhin/relex,linas/relex,linas/relex,anitzkin/relex