DOC: whats new file (forgot to add)

Author: adamklein

doc/source/whatsnew/v0.7.2.txt

@@ -0,0 +1,29 @@
+.. _whatsnew_0702:
+
+v.0.7.2 (March 16, 2012)
+---------------------------
+
+This release targets bugs in 0.7.1, and adds a few minor features.
+
+New features
+~~~~~~~~~~~~
+
+  - Add additional tie-breaking methods in DataFrame.rank (GH874_)
+  - Add ascending parameter to rank in Series, DataFrame (GH875_)
+  - Add coerce_float option to DataFrame.from_records (GH893_)
+  - Add sort_columns parameter to allow unsorted plots (GH918_)
+  - Enable column access via attributes on GroupBy (GH882_)
+
+Performance improvements
+~~~~~~~~~~~~~~~~~~~~~~~~
+
+  - Use khash for Series.value_counts, add raw function to algorithms.py (GH861_)
+  - Intercept __builtin__.sum in groupby (GH885_)
+
+.. _GH874: https://github.com/pydata/pandas/issues/874
+.. _GH875: https://github.com/pydata/pandas/issues/875
+.. _GH893: https://github.com/pydata/pandas/issues/893
+.. _GH918: https://github.com/pydata/pandas/issues/918
+.. _GH882: https://github.com/pydata/pandas/issues/882
+.. _GH861: https://github.com/pydata/pandas/issues/861
+.. _GH885: https://github.com/pydata/pandas/issues/885