Fix issue YavorPaunov#1

setup.py

@@ -1,6 +1,9 @@
 import os
-from setuptools import setup
+from setuptools import setup, find_packages
 
+def requirements(filename='requirements.txt'):
+    with open(filename) as f:
+        return requirements = f.read().splitlines()
 
 def read(fname):
     return open(os.path.join(os.path.dirname(__file__), fname)).read()
@@ -12,6 +15,7 @@ def read(fname):
       description='A deepstream.io client.',
       license='MIT',
       url='https://www.github.com/YavorPaunov/deepstreampy',
-      packages=['deepstreampy', 'tests', 'features'],
+      packages=find_packages(),
+      install_requires=requirements(),
       long_description=read('README.md'),
       test_suite='tests')