Authenticator

1. Token Generation - Done
2. SerialNum - for bulk invalidation - Done
3. Basic Auth 4. Move Configuration to model/dynamic - Done 5. Also declare defaults 5. Login input validation
4. Token Auth 6. Replace mutex with concurrent map - Not needed mutex is good enough 7.
5. Admin token check

version=v1.0.5 &&
git tag $version && git push origin $version

go get github.com/sudhakar1983/Authenticator@v1.0.5

// go get github.com/sudhakar1983/Configuration@v1.2.4