Add v1.3.2 to the changelog

CHANGES.rst

@@ -147,6 +147,8 @@ Bug Fixes
 
 - ``astropy.cosmology``
 
+- ``astropy.extern``
+
 - ``astropy.io.ascii``
 
 - ``astropy.io.fits``
@@ -173,6 +175,10 @@ Bug Fixes
 
   - Fix a problem with vstack for bytes columns in Python 3. [#5628]
 
+- ``astropy.table``
+
+- ``astropy.tests``
+
 - ``astropy.time``
 
 - ``astropy.units``
@@ -193,7 +199,62 @@ Other Changes and Additions
 - Nothing changed yet.
 
 
-1.3.1 (unreleased)
+1.3.2 (unreleased)
+-------------------
+
+Bug Fixes
+^^^^^^^^^
+
+- ``astropy.config``
+
+- ``astropy.constants``
+
+- ``astropy.convolution``
+
+- ``astropy.coordinates``
+
+- ``astropy.cosmology``
+
+- ``astropy.extern``
+
+- ``astropy.io.ascii``
+
+- ``astropy.io.fits``
+
+- ``astropy.io.misc``
+
+- ``astropy.io.registry``
+
+- ``astropy.io.votable``
+
+- ``astropy.modeling``
+
+- ``astropy.nddata``
+
+- ``astropy.stats``
+
+- ``astropy.table``
+
+- ``astropy.tests``
+
+- ``astropy.time``
+
+- ``astropy.units``
+
+- ``astropy.utils``
+
+- ``astropy.visualization``
+
+- ``astropy.vo``
+
+- ``astropy.wcs``
+
+Other Changes and Additions
+^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+- Nothing changed yet.
+
+
 1.3.1 (2017-03-18)
 ------------------