RaygunErrorMessage serializer code falls into infinite loop and crashes python

[arturtamborski]

RaygunErrorMessage fails to serialize certain complex objects to json which causes the serializer to fall into infinite loop which then, in the end crashes the Python executable.

---

I suspect that the error lies in this line:

raygun4py/python3/raygun4py/raygunmsgs.py

Line 179 in f65727a

jsonpickle.encode(self, unpicklable=False)

after an exception it tries to serialize the object the same way (unpickable=False).