Updated setup.py for newer python versions

Author: DrGeoff

setup.py

@@ -1,6 +1,5 @@
 from setuptools import setup, find_packages
 import os
-import glob
 import io
 from ct.version import __version__
 
@@ -13,11 +12,11 @@
 setup(
     name="compiletools",
     version=__version__,
-    setup_requires=["setuptools_scm"],
     description="Tools to make compiling C/C++ projects easy",
     long_description=long_description,
+    long_description_content_type="text/x-rst",
     url="http://zomojo.github.io/compiletools/",
-    python_requires=">=3.6",
+    python_requires=">=3.9",  # Updated minimum Python version
     author="Zomojo Pty Ltd",
     author_email="drgeoffathome@gmail.com",
     license="GPLv3+",
@@ -27,16 +26,26 @@
         "Topic :: Software Development :: Build Tools",
         "License :: OSI Approved :: GNU General Public License v3 or later (GPLv3+)",
         "Programming Language :: Python :: 3",
+        "Programming Language :: Python :: 3.9",
+        "Programming Language :: Python :: 3.10",
+        "Programming Language :: Python :: 3.11",
+        "Programming Language :: Python :: 3.12",
+        "Programming Language :: Python :: 3.13"
     ],
     keywords="c++ make development",
     packages=find_packages(),
     package_data={"":[ff for ff in os.listdir("ct") if ff.startswith("README")]},
     include_package_data=True,
-    install_requires=["configargparse", "appdirs", "psutil", "rich", "rich_rst"],
+    install_requires=[
+        "configargparse>=1.5.3",
+        "appdirs>=1.4.4",
+        "psutil>=5.9.0",
+        "rich>=12.0.0",
+        "rich_rst>=1.1.7",
+    ],
     test_suite="ct",
     scripts=[ff for ff in os.listdir(".") if ff.startswith("ct-")],
     download_url="https://github.com/Zomojo/compiletools/archive/v"
     + __version__
     + ".tar.gz",
 )
-