find recursive packages, and include them all..

.gitignore

@@ -1,6 +1,7 @@
 .coverage
 __pycache__
 
+build
 cryptography.egg-info
 
 pycaenv

setup.py

@@ -1,11 +1,12 @@
 from setuptools import setup, Extension
+from setuptools import find_packages
 
 setup(name = "cryptography", version = "41.0.5",
         description = "Emulate cryptography enough for some needs",
         author = "John-Mark Gurney",
         author_email = "jmg@funkthat.com",
         url = 'about:blank',
-        packages = [ 'cryptography' ],
+        packages = find_packages(include=['cryptography*'], ),
 	extras_require = {
 		'dev': [ 'coverage' ],
 	},