v4.0.0

code

• abstracted out functions
• maintain both class based and functional based contracts
• introduced SHA-256 and SHA-512 support for TOTP
• import path for dependents changed. instead of otplib/lib/classes/..., it's otplib/classes/...
• ES6 and babel transpiled. Therefore require('otplib).default` is needed at the moment.

tests

• checked against RFC 4226 sample vectors
• checked against RFC 6238 sample vectors
• added coverage reporting
• brought up coverage to > 90%

devops

• switched to yarn
• normalised deployment process my other packages
• moved over to Circle CI
• added coveralls support

chore

• updated package dependencies
• updated site and demo
• updated docs
• deprecated bower as it has almost reached EOL