Clarification release

Cleaned up headers and documentation.

Compatibility release

Sticking with default type for uid_t and gid_t chosen by short-sighted ./configure scripts.

Feature rollout: get*id() API

0.0.3

getuid() + getgid() + geteuid() + getegid()

Installation fixes (header paths)

Fix: original CMake installation directive incorrectly flattened the header tree.
No С/С++ code change in this release.

Initial release

User and group lookup/enumeration API backed by the lmaccess.h API is supported.