v0.6.0

Breaking:

• Rename the Omit type to Except (#44) cfac1de
  We had to rename this type because TypeScript 3.5 introduced a type with the same name, but less strict... Read more here.

Enhancements:

• Add Promisable type (#45) 670462c
• Document how to use JsonObject (#46) aa1ae3b

Fixes:

• Add missing Yarn field to the PackageJson type 5809b49

v0.5.2...v0.6.0