Remove downcase calls for method names

shard.yml

@@ -1,5 +1,5 @@
 name: grip
-version: 2.0.0
+version: 2.0.1
 
 authors:
   - Grip and its Contributors <https://github.com/grip-framework/>

src/grip/routers/http.cr

@@ -52,7 +52,7 @@ module Grip
       end
 
       private def radix_path(method, path)
-        '/' + method.downcase + path
+        '/' + method + path
       end
 
       private def add_to_radix_tree(method, path, route)

src/grip/routers/websocket.cr

@@ -55,7 +55,7 @@ module Grip
       end
 
       private def radix_path(method, path)
-        '/' + method.downcase + path
+        '/' + method + path
       end
 
       def websocket_upgrade_request?(context)