Using gte operator makes more sense

Author: brandoshmando

setup.py

@@ -5,7 +5,7 @@
     version='0.1',
     packages=["paymentrails", "paymentrails.exceptions"],
     package_data={"paymentrails": ["ssl/*"]},
-    install_requires=['requests==2.13.0'],
+    install_requires=['requests>=2.13.0'],
     author='Jesse',
     author_email='[email protected]',
     summary='Payment Rails Python SDK',