Require Python 3.4 or above

Author: tmcneal

setup.py

@@ -12,6 +12,7 @@
     keywords = ['bluetooth', 'hid', 'l2cap', 'bluez', 'pybluez', 'dbus'],
     url='https://www.github.com/tmcneal/bluefang',
     packages=find_packages(exclude=['scripts', 'tests']),
+    python_requires='~=3.4',
     install_requires=[
         "dbus-python==1.2.4",
         "PyBluez==0.22.1",