test_wester fails on 3.4 with certain PYTHONHASHSEED and seed values
use fastcache for split=1/4 and skip tests which generate infinite recursion
Merge pull request #7822 from pbrady/fastcache_false

fastcache error with test_wester
Fixed Python3 printing bugs
Merge branch 'master' of https://github.com/sympy/sympy into orienters