- Simplification in the code generation for hash lookups.
- Simplification in the code generation for hash lookups.

A given object (other than String), used in a Hash lookup, will no longer be dumped by calling the method `dump`. Instead it will be stringified implicitly. This operation calls the method `to_s` for user-defined objects.

trizen/sidef,trizen/sidef,trizen/sidef,trizen/sidef