[0.9] 2017-08-27
 - Now maintained by the Window Maker Team.
 - Rename configure.in -> configure.ac.
 - Remove obselete AC_C_CONST macro.
 - Use pkg-config to find libraries.
 - Use automake.
 - Use wmgeneral from libdockapp.
 - Port to GTK+3.
 - Update GPL2 text.
 - Remove trailing whitespace.
 - Update documentation.

(The original author did not keep a changelog for previous versions.)