Update requirements to Py 3.9

Author: machawk1

README.md

@@ -23,7 +23,7 @@ Another important feature of archival replays is the inclusion of an archival ba
 
 ## Installing
 
-InterPlanetary Wayback (ipwb) requires Python 3.8+. ipwb can also be used with Docker ([see below](#user-content-using-docker)).
+InterPlanetary Wayback (ipwb) requires Python 3.9+. ipwb can also be used with Docker ([see below](#user-content-using-docker)).
 
 For conventional usage, the latest release of ipwb can be installed using pip:
 

setup.py

@@ -16,7 +16,7 @@
     author_email='me@matkelly.com',
     description=desc,
     packages=['ipwb'],
-    python_requires='>=3.8',
+    python_requires='>=3.9',
     license='MIT',
     long_description=long_description,
     long_description_content_type="text/markdown",
@@ -56,10 +56,11 @@
 
         'Environment :: Web Environment',
 
-        'Programming Language :: Python :: 3.8',
         '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',
 
         'License :: OSI Approved :: MIT License',