Better explain the ECL bug found by in test-xach-update-bug.script
Support both older and newer versions of ECL wrt which prebuilt asdf object/library is available.
Bump version to 3.1.0.107
mkcl is now testable indeed. Tell the Makefile about it.
Beef up get-optimization-settings. Introduce with-optimization-settings.
Bump version to 3.1.0.108
Tweak previous get-optimization-settings. Tests included.
Bump version to 3.1.0.109
Better optimization-setting support, especially for clisp.
Better tests. Thanks to Robert Brown.
Bump version to 3.1.0.110
Preliminary allegro implementation of get-optimization-settings.
Bump version to 3.1.0.111