Removed unused variable.
Added support for SHA-512-256, userhash and utf-8.
Interoperability fixes. Some auth parameters MUST be quoted, some MUST NOT.
Added support for SHA-256 HTTP Digest
Reworkd HTTP Authentication quite a bit. Supports client and server.
Implemented MD5-sess algorithm.
Support verifying that the nonce used actually came from the server.
Added support for Digest MD5