fix install test broken in c7af388
better way to deal with setuptools
better info target
simplify make clean asserts so they work across make versions
remove some redundanct re directories and clean
do a coverage report for travis
spelling
ensure that bin and lib paths are at the start
use include for coverage
support for package dependency
pyshell ipython direct dependency
yolk direct dependency
fix incorrect dependency
use direct package dependency for coverage
use setuptools tests_require for all test deps
strip when joining paths
use a bootstrap PYTHONPATH for ops outside virtualenv
VENV_PYTHON is the virtualenv for dependency purposes