more docs

Author: jreback

pandas/tools/hashing.py

@@ -16,6 +16,8 @@ def hash_pandas_object(obj, index=True, encoding='utf8', hash_key=None):
     """
     Return a data hash of the Index/Series/DataFrame
 
+    .. versionadded:: 0.19.2
+
     Parameters
     ----------
     index : boolean, default True
@@ -70,6 +72,8 @@ def hash_array(vals, encoding='utf8', hash_key=None):
     """
     Given a 1d array, return an array of deterministic integers.
 
+    .. versionadded:: 0.19.2
+
     Parameters
     ----------
     vals : ndarray