MAINT: remove 3.2 tests, add 3.4.
REF: move parse_assignements to utils.misc.
BUG: use ast visitor instead of our clumsy (and buggy) 'parser'.
MAINT: ensure we can run 3.4 tests on travis-ci.
MAINT: another tentative to make 3.4 works on travis-ci.
MAINT: remove 3.4 support in travis-ci, no time to fix it for now.
MAINT: add 3.4 support in tox.
STY: use __all__ to control exported names.
Merge pull request #8 from enthought/fix_python34

Fix python34