Minor improvements in build system

• removex express types due to external error ca767f4
• cleanup 2b2086b
• [new] reformat tests with express 58a70b0
• Merge pull request #16 from jubeiam/dependabot/npm_and_yarn/minimist-1.2.6 b754f89
• Merge pull request #18 from jubeiam/dependabot/npm_and_yarn/ansi-regex-4.1.1 425e386
• Bump ansi-regex from 4.1.0 to 4.1.1 24c8a87
• Bump minimist from 1.2.5 to 1.2.6 d98866a

v2.0.0...v2.0.1