Conflicts:
	CHANGES.rst

* Add Python 3.5 to the build matrix
* Rework helper build script (copied from mpi4py)

only look at yield statements and not arbitrary yield expressions when inlining generator expressions

Conflicts:
	CHANGES.rst
	Cython/Shadow.py

guess longness suffix of negative decimal integer literals based on their type to prevent the C compiler from truncating their value range

use explicit helper method for sequence->ctuple coercion rather than calling generic SequenceNode.coerce_to()