(#46) Add traceback to exception logging.
(#46) Add traceback to exception logging.

Closes #381.

nathanielparke/huxley,nathanielparke/huxley,bmun/huxley,bmun/huxley,bmun/huxley,ctmunwebmaster/huxley,ctmunwebmaster/huxley,bmun/huxley,nathanielparke/huxley,nathanielparke/huxley,ctmunwebmaster/huxley,ctmunwebmaster/huxley