added exponential function to the search-size widget
added exponential function to the search-size widget

isuftin/spotweb-1,rodikal/Spotweb,tswestendorp/spotweb,Spotweb/Spotweb,GeoffreyDijkstra/spotweb,Blauwbek/spotweb,GeoffreyDijkstra/spotweb,gijsroge/spotweb,tswestendorp/spotweb,the-darkvoid/spotweb,LeeThompson/spotweb,isuftin/spotweb-1,the-darkvoid/spotweb,mbirth/spotweb,Blauwbek/spotweb,mesa57/spotweb,rodikal/Spotweb,gijsroge/spotweb,riksmith/Spotweb,Spotweb/Spotweb,riksmith/Spotweb,mbirth/spotweb,Blauwbek/spotweb,mesa57/spotweb,LeeThompson/spotweb