Promote version to v0.1.1

Changelog:

- Rename cl-gemini to gemini-request
- Revamped API to recognize, parse, and return mimetypes, parameters
- Autodetect the response charset and decode appropriately
- Remove raising a gmi-error on non-OK status codes
- Offer an alternative function that returns an output stream
  instead of a string.
- Provide more SSL options by passing it directly to CL+SSL