Changed scikit-learn requirement from == 0.16 to >= 0.16

Author: fmfn

setup.py

@@ -9,6 +9,6 @@
     install_requires=[
         "numpy >= 1.9.0",
         "scipy >= 0.14.0",
-        "scikit-learn == 0.16.1",
+        "scikit-learn >= 0.16.1",
     ],
 )