added setup.cfg

setup.py

@@ -1,8 +1,10 @@
 # -*-mode: python; indent-tabs-mode: nil; py-indent-offset: 4; coding: utf-8 -*
 
+import re
 from setuptools import setup
 
-__version__ = "0.1.0"
+with open("qasync/__init__.py") as f:
+    version = re.search(r'__version__\s+=\s+"(.*)"', f.read()).group(1)
 
 long_description = "\n\n".join([
     open("README.md").read(),
@@ -20,9 +22,9 @@ if __name__ == '__main__':
         packages=['phantompy'],
         # url="",
         # download_url="https://",
-        keywords=['JavaScript', 'phantomjs'],
+        keywords=['JavaScript', 'phantomjs', 'asyncio'],
         # maybe less - nothing fancy
-        python_requires=">=3.6",
+        python_requires="~=3.6",
         # probably works on PyQt6 and PySide2 but untested
         # https://github.com/CabbageDevelopment/qasync/
         install_requires=['qasync', 'PyQt5'],