v1.6.0 Using j_security_check in synchronous client.

What's Changed

• Use j_security_check for authentication. by @chrisdoehring in #23
• Add session unit tests. by @chrisdoehring in #24
• Use JessionId auth in synchronous client. by @chrisdoehring in #25

New Contributors

• @chrisdoehring made their first contribution in #23

Full Changelog: v1.5.3...v1.6.0