upd attribute method key

CHANGELOG.md

@@ -32,6 +32,7 @@
 | ```<<"shape">>``` | ```default``` | ```"default"``` |
 | ```<<"wrap">>``` | ```hard``` | ```"hard"``` |
 | ```<<"wrap">>``` | ```soft``` | ```"soft"``` |
+| ```<<"method">>``` | ```post``` | ```"post"``` |
 
 
 ##### 6.6.2-erl19

src/elements/form/element_form.erl

@@ -98,7 +98,7 @@ render_element(Record) ->
     
     {<<"method">>,
        case Record#form.method of
-         "post" -> "post";
+         post -> "post";
          _ -> "get"
        end},