v0.9.2

This is a patch release to address a correctness issue for compliance with the Noise specification: the nonce $2^{64} - 1$ is reserved for rekeying, and CipherState and StatelessCipherState did not check that, instead just making sure that there was no integer overflow.

Thanks to @kjvalencik for reporting the issue and @complexspaces for contributing the fix PR (#152).

Thanks to @robyoder as well for fixing broken links and making sure all links were HTTPS (#151).

Full Changelog: v0.9.1...v0.9.2