Change demo URL.
Fix digestLength range check.
Add BLAKE2s.keyLength.
Build. v1.0.3
README: fix potentially confusing wording.
More benchmark iterations.
Fix a typo in demo page
Merge pull request #5 from ericyan/fix-typo

Fix a typo in demo page
Merge branch 'master' of github.com:dchest/blake2s-js
Merge branch 'master' into gh-pages
Fix typo in title.