Bump min python version to 3.9. Remove license specifications from the

classifiers section. Add the package path to the setuptools include
target.

Author: Ryan Whitmore

pyproject.toml

@@ -11,16 +11,14 @@ license = {file = "LICENSE.txt"}
 authors = [
     {name = "Brandon T. Willard", email = "brandonwillard+cons@gmail.com"}
 ]
-requires-python = ">=3.6"
+requires-python = ">=3.0"
 dependencies = [
     "logical-unification>=0.4.0"
 ]
 classifiers = [
     "Development Status :: 3 - Alpha",
     "Intended Audience :: Science/Research",
     "Intended Audience :: Developers",
-    "License :: DFSG approved",
-    "License :: OSI Approved :: GNU Lesser General Public License v3 or later (LGPLv3+)",
     "Operating System :: OS Independent",
     "Programming Language :: Python",
     "Programming Language :: Python :: 3",
@@ -40,6 +38,7 @@ Homepage = "https://github.com/pythological/python-cons"
 test = ["pytest"]
 
 [tool.setuptools.packages.find]
+include = ["cons*"]
 exclude = ["tests*"]
 
 [tool.versioneer]