Update to version 2.1.4

CHANGELOG.md

@@ -43,7 +43,7 @@ Changes from v2.1.0 to v2.1.2
 Bug Fix
 -------
 
-- Fix a seg fault bug when PoissonDeviate is given `mean=0`. (#996)
+- Fixed a seg fault bug when PoissonDeviate is given `mean=0`. (#996)
 
 
 Changes from v2.1.2 to v2.1.3
@@ -52,5 +52,15 @@ Changes from v2.1.2 to v2.1.3
 Bug Fix
 -------
 
-- Fix the galsim executable to work correctly when installed by SCons.
+- Fixed the galsim executable to work correctly when installed by SCons.
 
+
+Changes from v2.1.3 to v2.1.4
+=============================
+
+Bug Fix
+-------
+
+- Fixed Convolve and Sum to recognize when objects all have the same gsparams,
+  and thus avoid making gratuitous copies of the components.
+- Added some caching for some non-trivial calculations for PhaseScreens.

README.md

@@ -50,7 +50,7 @@ Source Distribution
 The current released version of GalSim is version 2.1.  To get the code, you
 can grab the tarball (or zip file) from
 
-    https://github.com/GalSim-developers/GalSim/releases/tag/v2.1.3
+    https://github.com/GalSim-developers/GalSim/releases/tag/v2.1.4
 
 Also, feel free to fork the repository:
 
@@ -214,7 +214,7 @@ at one time or another.
 The version of the code at any given snapshot can be downloaded from our
 GitHub webpage, or checked out from the repository using the tag name, e.g.:
 
-    git checkout v2.1.3
+    git checkout v2.1.4
 
 This will then update your directory tree to the snapshot of the code at the
 milestone requested.  (You will also get a message about being in a "detached"

galsim/_version.py

@@ -15,5 +15,5 @@
 #    this list of conditions, and the disclaimer given in the documentation
 #    and/or other materials provided with the distribution.
 #
-__version__ = '2.1.3'
+__version__ = '2.1.4'
 __version_info__ = tuple(map(int, __version__.split('.')))