improve 'AlreadyHere' event

src/core/router.coffee

@@ -115,7 +115,7 @@ module.exports = class KDRouter extends KDObject
     userRoute = userRoute.slice 1  if (userRoute.indexOf '!') is 0
     @visitedRoutes.push userRoute  if @visitedRoutes.last isnt userRoute
 
-    [frag, query...] = (userRoute ? @getDefaultRoute?() ? '/').split '?'
+    [frags, query...] = (userRoute ? @getDefaultRoute?() ? '/').split '?'
 
     query = @utils.parseQuery query.join '&'
 
@@ -127,36 +127,39 @@ module.exports = class KDRouter extends KDObject
     node = @tree
     params = {}
 
-    frag = frag.split '/'
-    frag.shift() # first edge is garbage like '' or '#!'
+    frags = frags.split '/'
+    frags.shift() # first edge is garbage like '' or '#!'
 
-    frag = frag.filter Boolean
+    frags = frags.filter Boolean
 
-    path = "/#{frag.join '/'}"
+    path = "/#{frags.join '/'}"
 
     qs = @utils.stringifyQuery query
     path += "?#{qs}"  if qs.length
 
+    notFound = no
+    for edge in frags
+      if node[edge]
+        node = node[edge]
+      else
+        param = node[':']
+        if param?
+          params[param.name] = edge
+          node = param
+        else notFound = yes
+
     if not suppressListeners and shouldPushState and not replaceState and path is @currentPath
-      @emit 'AlreadyHere', path
+      @emit 'AlreadyHere', path, { params, frags }
       return
 
+    @handleNotFound frags.join '/'  if notFound
+
     @currentPath = path
 
     if shouldPushState
       method = if replaceState then 'replaceState' else 'pushState'
       history[method] objRef, path, path
 
-    for edge in frag
-      if node[edge]
-        node = node[edge]
-      else
-        param = node[':']
-        if param?
-          params[param.name] = edge
-          node = param
-        else @handleNotFound frag.join '/'
-
     routeInfo = {params, query}
     @emit 'RouteInfoHandled', {params, query, path}