Algorithm Bloated

https://github.com/GJWT/javaOIDCMsg/blob/cbdf7aa5be7896a7958e55b2ac2dda0a0956adda/lib/src/main/java/com/auth0/jwt/algorithms/Algorithm.java#L36

This class mixes static methods and an abstract class. Might be better to break it up into distinct components based on functionality type and usage in other classes.