Get ready for release 9.0.0

Author: rocky

CHANGES.rst

@@ -1,4 +1,16 @@
-1.0
----
+9.0.0
+-----
+
+August 29, 2025
+
+Revise for 9.0.0 Mathics3 Kernel API
+
+Supports Python 3.13. Dropped support for Python 3.8 and Python 3.9
+
+
+1.0.0
+-----
+
+July 27, 2025
 
 Initial version

pyproject.toml

@@ -13,15 +13,14 @@ Mathics3 Packages in Python.
 
 requires-python = ">=3.10"
 readme = "README.rst"
-license = {text = "GPL"}
+license = "GPL-3.0-or-later"
 keywords = ["Mathematica", "Wolfram", "Interpreter", "Shell", "Math", "CAS"]
 maintainers = [
     {name = "Mathics Group", email = "mathics-devel@googlegroups.com"},
 ]
 classifiers = [
     "Intended Audience :: Developers",
     "Intended Audience :: Science/Research",
-    "License :: OSI Approved :: GNU General Public License v3 (GPLv3)",
     "Programming Language :: Python",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",