**patch:**
- fix for release binaries
**version:**
- cache-control and keep-alive response headers.
- cache-control can be controlled using cli argument.
- replaced deprecated pkg_resources usage.
- version argument to print version and exit.
- directory argument is now optional, if no directory is provided, the current working directory is served.
**Full Changelog**: https://github.com/leogps/bottle-sipper/compare/exe_v0.1.31-1...v0.1.31-2