Fix overlong parameter line (#255)
Fix overlong parameter line (#255)

and remove end of line colon to unbreak sphinx interpretation
of the hash.rst file
pyca/pynacl,reaperhulk/pynacl,reaperhulk/pynacl,lmctv/pynacl,lmctv/pynacl,lmctv/pynacl,lmctv/pynacl,reaperhulk/pynacl,reaperhulk/pynacl,pyca/pynacl,lmctv/pynacl,pyca/pynacl,reaperhulk/pynacl,pyca/pynacl,pyca/pynacl