add python requests as requirement

README.md

@@ -41,6 +41,7 @@ Go ahead and test it with yours, and kindly report the result back :)
 Python version: `3`
 
 Python packages:
+ * `requests`
  * `flask`
  * `PyYAML`
  

setup.py

@@ -35,6 +35,6 @@ setup(
         'onkyo',
         'denon'
     ],
-    install_requires=['flask', 'PyYAML'],
+    install_requires=['requests', 'flask', 'PyYAML'],
     packages=find_packages(exclude=['contrib', 'docs', 'tests'])
 )