Support searching for emoji, japanese, and other non-English unicode characters

index.js

@@ -201,6 +201,7 @@ Searxng.prototype.handleMessage = function(event, room) {
 				}
 			}
 
+			toSearch = encodeURIComponent(toSearch);
 
 			const searchURL = this.searxngInstance + "/search?category_images=1&pageno=1&time_range=&format=json&"+this.searxngParameters+"&safesearch="+(messagePieces[0] == unsafeImageSearchCmd ? "0" : "1")+"&q=" + toSearch;
 			this.matrixClient.sendTyping(room.roomId, true, 3000);