Bump required python version

Author: dolfies

README.rst

@@ -33,7 +33,7 @@ Key Features
 Installing
 ----------
 
-**Python 3.5.3 or higher is required**
+**Python 3.8 or higher is required**
 
 To install the library without full voice support, you can just run the following command:
 

setup.py

@@ -46,7 +46,7 @@
       author='Dolfies',
       url='https://github.com/dolfies/discord.py-self',
       project_urls={
-        "Documentation": "https://discordpy.readthedocs.io/en/latest/",
+        "Documentation": "https://dolf.ml/discord.py-self",
         "Issue tracker": "https://github.com/dolfies/discord.py-self/issues",
       },
       version=version,
@@ -58,7 +58,7 @@
       include_package_data=True,
       install_requires=requirements,
       extras_require=extras_require,
-      python_requires='>=3.5.3',
+      python_requires='>=3.8',
       classifiers=[
         'Development Status :: 5 - Production/Stable',
         'License :: OSI Approved :: MIT License',