--------------------------
* Added: subpackage ``resolver``
* Added:
``resolver.FilePath``,
``resolver.Function``,
``resolver.Tuple``,
``resolver.Type``
* Deprecated:
``FilePathResolver``,
``FunctionResolver``,
``TupleResolver``,
``TypeResolver``
* Fixed: preserve default arguments in serialized functions
* Fixed: attach source to dynamically created functions