sympy/sympy — pull request #1896 by skirpichev (2013-03-14 11:54:50+00:00)
Title: issue 3692 (old assumptions)

This patch alter following Mul methods:
is_integer
is_odd/even
and
is_rational

N.B.: some tests in test_arit.py was broken. An example:
```
k = Symbol('k', integer=True)
assert (k/3).is_integer is False
```