Include the traceback in exceptions
Include the traceback in exceptions

This makes debugging into the cython side of the code much easier.

jparyani/pycapnp,SymbiFlow/pycapnp,SymbiFlow/pycapnp,jparyani/pycapnp,SymbiFlow/pycapnp,jparyani/pycapnp,SymbiFlow/pycapnp,jparyani/pycapnp