Coding style: sympy/polys
Coding style: sympy/printing
Coding style: sympy/series
Coding style: sympy/sets
Coding style: sympy/simplify
Coding style: sympy/solvers
Coding style: sympy/stats
Coding style: sympy/tensor
Coding style: sympy/utilities
Merge pull request #1595 from jrioux/tests

Fix test failures in master.
Recreated logicadd branch,added changes
pep8 E302
Added XFAIL to a few assertions that fail, and made minor #comments as to why
Merge pull request #4 from smichr/pep

pep8 E302
Merge pull request #1596 from jrioux/codequality

Codequality
merge into master
Rewrite Rules initial commit. Baic strategies.
add basic traversals
add first rulegen
add test for rmid