Bump version to v1.0.1

Fix build backend and restore build-system section in pyproject.toml.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: claude

pyproject.toml

@@ -1,10 +1,10 @@
 [build-system]
 requires = ["setuptools>=61.0"]
-build-backend = "setuptools.backends._legacy:_Backend"
+build-backend = "setuptools.build_meta"
 
 [project]
 name = "fakeroute"
-version = "1.0.0"
+version = "1.0.1"
 description = "Fake traceroute generator using IP address spoofing"
 readme = "README.md"
 license = "MIT"