Expand setup.py setup data

setup.py

@@ -1,17 +1,26 @@
 #!/usr/bin/env python
 
-from distutils.core import setup
+from setuptools import setup, find_packages
 
-setup(name='pigpio',
+setup(
+    name='pigpio',
     version='1.34',
     author='joan',
     author_email='joan@abyz.co.uk',
     maintainer='joan',
     maintainer_email='joan@abyz.co.uk',
-      url='http://abyz.co.uk/rpi/pigpio/python.html/',
-      description='Raspberry gpio module',
+    url='http://abyz.co.uk/rpi/pigpio/python.html',
+    description='Raspberry Pi GPIO module',
     long_description='Raspberry Python module to access the pigpio daemon',
     download_url='http://abyz.co.uk/rpi/pigpio/pigpio.zip',
     license='unlicense.org',
-      py_modules=['pigpio']
+    keywords=[
+        'raspberrypi',
+        'gpio',
+    ],
+    packages=find_packages(),
+    classifiers=[
+        "Programming Language :: Python :: 2",
+        "Programming Language :: Python :: 3",
+    ]
 )