3.2.0 (unreleased)
* Initial release of posix-stat module
* Provides bindings to sys/stat.h
* Includes stat/fstat/lstat for file status queries
* Includes chmod/fchmod for permission changes
* Includes mkdir/mkfifo for file creation
* Includes umask for permission mask control
* Includes modern *at family of functions (fstatat, fchmodat, mkdirat, mkfifoat)
* Integration with posix-time2 for timespec timestamps
* Comprehensive file type test functions (s_isreg, s_isdir, etc.)
* Unix-only module (not available on Windows)
