Add meta information to the nacl package

nacl/__init__.py

+from . import __about__
 from . import hash  # pylint: disable=W0622
+
+
+__all__ = ["hash"] + __about__.__all__
+
+
+# - Meta Information -
+# This is pretty ugly
+for attr in __about__.__all__:
+    if hasattr(__about__, attr):
+        globals()[attr] = getattr(__about__, attr)
+# - End Meta Information -