added version module

src/numerix/__init__.py

@@ -25,3 +25,4 @@ def add_four(x):
 # Functions from the modules of the package can be imported into the
 # namespace of the package:
 from .addition import add_two
+from .version import __version__

src/numerix/version.py

@@ -0,0 +1,14 @@
+""" Version and year of the numerix package.
+"""
+
+__version__ = '1.4.2'
+""" Current version of the numerix package as string 'x.y.z'. """
+
+__year__ = '2024'
+""" Year of the current numerix version as string. """
+
+# Add them to documentation:
+__pdoc__ = {}
+__pdoc__['__version__'] = True
+__pdoc__['__year__'] = True
+