Update README.md

Author: haath

README.md

@@ -388,8 +388,8 @@ parser.Bindings(BindingFlags.Public | BindingFlags.Instance);
 ## //TODO
 
 - Reverse positional indexing
-- Passing multiple comma-separated values
 - Specifying possible values. (f.e bacon|onions|tomatoes) Will be doable by default with regex, but enum support will be nice.
 - Value type validation within the library with custom errors
 - Recursive help flag for commands
-- Support for appending the same parameter into enumerables
+- Support for appending the same parameter into collections
+- Better support for mixing command parameters with parent parameters