v2.2: Firewall bypass, interrupt handling, and major improvements

[lordixir]

Changes

New Features

• Firewall Bypass: IP shuffling, header randomization, request jitter (0-50ms)
• Improved Ctrl+C Handling: Immediate stop with cancel channel mechanism
• Dynamic Timeout: Auto-calculated based on worker count (2000-10000ms)
• IPv6 Support: ASN scanning now supports route6 entries

Bug Fixes

• Fixed result collection bug with high worker counts
• Fixed rand.Seed deprecation warning
• Removed gzip to fix response parsing issues
• Added proper error logging for CIDR parsing

Improvements

• Randomized headers: Accept-Language, Chrome versions, platforms
• Worker-based estimated end time calculation
• Scan statistics display at completion

Technical Details

• All 54 tests passing
• Build tested on Windows, Linux, macOS (amd64/arm64)

Pre-built Binaries

Available at: https://github.com/lordixir/ipmap/releases/tag/v2.2.0

• ipmap_windows_amd64.exe
• ipmap_linux_amd64
• ipmap_linux_arm64
• ipmap_macos_amd64
• ipmap_macos_arm64