fixed bad GetManagedObject calls in CLR-based descriptor implementations 

property descriptor made visible on the reflected class for instance … …properties

prevent crash during debugging when attempting to inspect PyObject wi… …thout GIL

when converting to Python, always use actual value type 

updated assembly info 

Release v2.5.0 

don't remove outer exception from Iterator.__next__ 

fixed MappingMixin implementation (untested) 

do not allow encoders for System.String 

fixed PyObject.As<object> returning PyObject