- upgrade dependencies to fix vulnerabilities

 - bump version

 - upgrade modules

 - release with compact directory structure
 - add `main` and `browser` field in `package.json`.
 - further minimize generated js file with mangling and compression
 - remove assets files from git
 - patch test code to make it work with upgraded modules
 - bump version

 - `fromURL` should throw Error/reject if http request is not

   successful.

tweak some metadata

release dist files only