4.1.0 release

[adamralph]

• alpha 1 - 24th May
  • MinVer
  • minver-cli
• alpha 2 - 27th May
  • MinVer
  • minver-cli
  • https://github.com/adamralph/bullseye
  • https://github.com/adamralph/simple-exec
• RC 1 - 9th Jun
  • MinVer
  • minver-cli
  • https://github.com/adamralph/bullseye
  • https://github.com/adamralph/simple-exec
• ensure README.md reflects new version
• build tag
• push package
• create next milestone
• close milestone
• update changelog
• tweet, mentioning contributors - _tweet-1541450050236194821