Change Log

# v4.0

- Remove `checkCycle` and `checkGit`, as they are no longer used in npm v7
- Synchronous throw-or-return API instead of taking a callback needlessly
- Modernize code and drop support for node versions less than 10

# v3 2016-01-12

- Change error messages to be more informative.
- checkEngine, when not in strict mode, now calls back with the error object as the second argument instead of warning.
- checkCycle no longer logs when cycle errors are found.

# v2 2015-01-20

- Remove checking of engineStrict in the package.json