Update .program version to 0.1.1

Initial release - sock v0.1.0

Socket communication tool for direct TCP connections

Features:
- Interactive bidirectional chat mode
- One-shot message sending
- File transfer capability
- Network utilities (--info, --test)
- Pure Python (stdlib only)
- Cross-platform support
- Clean text output (no emojis)

Usage:
- sock -l 8080          (listen/server mode)
- sock HOST PORT        (connect/client mode)
- sock --info           (network information)
- sock --test PORT      (test port availability)