Add initial .mailmap file.

Not perfect yet, but it covers all committers with 10 or more commits.  I
didn't go looking below that threshold.

More complete cpdef enums.

Conflicts:
	CHANGES.rst

explicitly handle CloneNode in replacement transforms to make sure we take care of its content argument

Conflicts:
	tests/run/iterdict.pyx

Conflicts:
	CHANGES.rst

Fixes http://trac.cython.org/ticket/864.

--HG--
extra : amend_source : d2a97da4f942d555723b9bfa488985c5e5c27721

explicitly cast digits during PyLong conversion to avoid relying on potentially unsafe C coercion (fixes ticket #865)

Fix exception handling for overloaded operators.

__Pyx_decode_c_string: check for overflow when calling strlen.