ENH: Add compat module including OrderedDict and getcallargs for compat with Python < 2.7
remove underscore
remove whitespace before :
restore ndarray check
BUG: check args, not all_args
BUG: missing kwargs for sum, max, min
major test expansion to test axis args and kwargs
use int instead of array
cleanup
BUG: missing shadow for max
add check for bool astype
check for x.sort(), since it is an inplace method