- Accept command-line arguments for custom headers and cache path.
- Update the README to focus on generating clients.
Merge pull request #32 from interagent/better-readme

- Accept command-line arguments for custom headers and cache path.

- Update the README to focus on generating clients.

- The discussion of the dynamic aspects of the client has been deleted
  from the README and moved to a wiki page:

    https://github.com/interagent/heroics/wiki/Dynamic-clients