Include 'send iv'.
Allow custom scheme encodings w/rsa encrypt.
Check authentication tag length against given tag when starting decrypt.
Release 0.6.9.
Start 0.6.10.
Add RSAPublicKey, SubjectPublicKeyInfo, and SSH fingerprint support.

- Addresses #139.
Release 0.6.10.
Start 0.6.11.
Allow customization of salt w/pss.

- Change pss.create() to accept named params via options; legacy
  3-parameter version still available for backwards-compatibility.
- Allow salt to be given directly or via a custom PRNG.
Release 0.6.11.
Start 0.6.12.
Update pss examples.
Removing node 0.8 CI support due to dependency maintenance issues.