fix recent find() changes; regain performance

- back to 9.3M op/s from 6.0 op/s 🎉

lib/index.js

@@ -24,18 +24,15 @@ class Trouter {
 	}
 
 	find(method, url) {
-		let i=0, k, arr, keys=[method, '*'];
-		for (; i < keys.length; i++) {
-			k=keys[i]; arr=this.routes[k];
-			if (arr === void 0) continue;
-			arr = match(url, arr);
-			if (!arr.length) continue;
-			return {
-				params: exec(url, arr),
-				handler: this.handlers[k][arr[0].old]
-			};
+		let arr = match(url, this.routes[method] || []);
+		if (arr.length === 0) {
+			arr = match(url, this.routes[method='*'] || []);
+			if (!arr.length) return false;
 		}
-		return false;
+		return {
+			params: exec(url, arr),
+			handler: this.handlers[method][arr[0].old]
+		};
 	}
 }