See: http://blog.travis-ci.com/2014-12-17-faster-builds-with-container-based-infrastructure/

Only in ASCII encoding.

Fixes LP #143358.

README.rst in root, w/ prolog.

CHANGES.rst in foot.

Fixes LP #1387363.

LP #1155760.

Give up on protecting against segfaults in aq_* functions, when we encounter __parent__ circles with more than one intermediate object.

Raise `RuntimeError: Recursion detected in acquisition wrapper` if an object with a `__parent__` pointer points to a wrapper that in turn points to the original object.

Fix the triple parent test - we actually get reasonable results now, but also some infinite recursion on non-existant attributes

Avoid an infinite recursion in parent parent circles, if they are no longer wrapped in all cases like with ExtensionClass 4.0