Revert "chore(package): update ms to version 0.7.2 (#97)"
Revert "chore(package): update ms to version 0.7.2 (#97)"

This reverts commit 12984463a38c8fa9854899242415e8f781fc3238.

0.7.2 breaks 'now cert ls'

zeit/now-cli,zeit/now-cli,zeit/now-cli,mike-engel/now-cli,zeit/now-cli,zeit/now-cli,southpolesteve/now-cli,zeit/now-cli,zeit/now-cli,southpolesteve/now-cli