Sanitise double slashes, and return nil in get() if a path continues but a node doesn't have children.

httpr.go

@@ -20,6 +20,8 @@ func newPath(path string) (path, error) {
 		return nil, errors.New("there can be only one catch-all (*) parameter in path")
 	}
 
+	path = strings.ReplaceAll(path, "//", "/")
+
 	parts := strings.Split(strings.TrimSuffix(path, "/"), "/")
 
 	parts[0] = "/"
@@ -75,6 +77,10 @@ outer:
 
 		if pathLen > i+1 {
 			var paramNode *node
+			if len(curNode.children) == 0 {
+				break outer
+			}
+
 			for _, next := range curNode.children {
 				if next.endpoint == path[i+1] {
 					curNode = next