More cleanups; will self-accept.
2 patches for repository http://darcs.net:
patch 08e41b882fa3a2cce23727da1d09fa57c3c60d78
Author: Guillaume Hoffmann <guillaumh@gmail.com>
Date: Mon Apr 25 16:16:08 ART 2016
* merge tests into log.sh and rename changes to log
patch 2b92522cc9d2df5af2a1fa23f80b3c6a747fa019
Author: Guillaume Hoffmann <guillaumh@gmail.com>
Date: Mon Apr 25 16:17:26 ART 2016
* merge a test into optimize.sh