Update to use setuptools

setup.py

@@ -1,4 +1,4 @@
-from distutils.core import setup
+from setuptools import setup
 
 setup(
     name='NextAction',
@@ -10,8 +10,11 @@ setup(
     author_email='andy@tensixtyone.com',
     description='A more GTD-like workflow for Todoist. Uses the REST API to add and remove a @next_action label from tasks.',
     entry_points={
-        "distutils.commands": [
-            "nextaction = nextaction:main",
+        "console_scripts": [
+            "nextaction=nextaction:main",
             ],
-        }
+        },
+    install_requires=[
+        'todoist-python',
+    ]
 )