fix requirements

appveyor.yml

@@ -8,6 +8,14 @@ environment:
     WITH_COMPILER: "cmd /E:ON /V:ON /C .\\appveyor\\run_with_compiler.cmd"
 
   matrix:
+    - PYTHON: "C:\\Python27"
+      PYTHON_ARCH: "32"
+      MINICONDA: C:\Miniconda27
+
+    - PYTHON: "C:\\Python27-x64"
+      PYTHON_ARCH: "64"
+      MINICONDA: C:\Miniconda27-x64
+
     - PYTHON: "C:\\Python35"
       PYTHON_ARCH: "32"
       MINICONDA: C:\Miniconda35

setup.py

@@ -57,7 +57,12 @@ if __name__ == '__main__':
         classifiers=[
             'License :: OSI Approved :: MIT License',
             'Operating System :: OS Independent',
+            'Programming Language :: Python',
+            'Programming Language :: Python :: 2.7',
             'Programming Language :: Python :: 3',
+            'Programming Language :: Python :: 3.4',
+            'Programming Language :: Python :: 3.5',
+            'Programming Language :: Python :: 3.6',
             'Development Status :: 3 - Alpha',
             'Intended Audience :: Developers',
             'Intended Audience :: Financial and Insurance Industry',
@@ -67,7 +72,6 @@ if __name__ == '__main__':
             "ecdsa",
             "requests",
             "websocket-client",
-            "websockets",
             "appdirs",
             "Events",
             "scrypt",