Changes:
- Remove empty lines in comments d4590d3
- Add documentation for nonNull f70e5d0
- Add documentation for assertNever 9ff4666
- Improve description of the 'message' parameter passed to 'invariant' 223ff68
- Fix typo in README e00b4ad
- Add documentation for warning df27264
- Exclude the src directory in the published package 288eadf