chore(release): changelog and version bump for 0.12.1

chore(release): changelog and version update for 0.12.0

chore(release): 0.11.0 changelog update

chore(release): changelog updates for 0.10.0

0.9.0 release and changelog

Changelog and version bump for 0.8.0.

More changelog format fixes.

Moving the 'specs' to a first-class citizen in the configuration file.

Version 0.3.0 - Get version automatically in the binary, and upate docs.

Version 0.2.1