v1.0.0

• Removed InsecureClientIp and related "leftmost" IP logic. The library now focuses solely on secure extraction
  based on trusted headers.
• Renamed SecureClientIp to ClientIp.
• Renamed SecureClientIpSource to ClientIpSource.

The changes are triggered by "rightmost" IP extraction bug.

Full Changelog: v0.7.0...v1.0.0