+========1.4.58b=================\r
+- Implementation of BookDepth in UCI mode.\r
+- Small corrections to the manpage.\r
+========1.4.57b=================\r
+- First attempt at killing engines that do not react to "quit". \r
========1.4.56b=================\r
- Better handling of non-existing engine command on Linux. No changes on Windows.\r
=========1.4.55b================\r