DOC: added release note about #6313

Author: hugo

doc/source/release.rst

@@ -124,6 +124,7 @@ Bug Fixes
   keys not in the values to be replaced (:issue:`6342`)
 - Bug in take with duplicate columns not consolidated (:issue:`6240`)
 - Bug in interpolate changing dtypes (:issue:`6290`)
+- Bug in hdfstore queries of the form ``where=[('date', '>=', datetime(2013,1,1)), ('date', '<=', datetime(2014,1,1))]`` (:issue:`6313`)
 
 pandas 0.13.1
 -------------