support Connection: keep-alive; misc performance improvements

srv/content/router.hy

@@ -45,15 +45,14 @@
     
     (return (get @route-map route)))
   
-  (meth [lru-cache] get-route-by-path [path]
+  (meth get-route-by-path [path]
     (cond 
       (in path @route-map) (do (get @route-map path))
       True (do 
         (while (> (.count path "/") 1)
           (setv path (.join "/" (get (.split path "/") (slice 0 -1))))
           (when (in (+ path "/*") @route-map)
-            (setv handler (get @route-map (+ path "/*")))
-            (return handler)))
+            (return (get @route-map (+ path "/*")))))
         
         (always (fn [#* _] (error 404 "not-found)")))))))