Update wheel to 0.38.4#223

pyup-bot wants to merge 1 commit intomasterpython-bonobo/bonobo-devkit:masterfrom

pyup-update-wheel-0.30.0-to-0.38.4python-bonobo/bonobo-devkit:pyup-update-wheel-0.30.0-to-0.38.4Copy head branch name to clipboard