Blind alley attempt to use Allegro function for DIRECTORY-PATHNAME-P.
Kill blind alley in PATHNAME-DIRECTORY-P.
More work on DIRECTORY-FILES.

Use clisp-specific function in DIRECTORY-EXISTS-P implementation.
Use lower-cost DIRECTORY-PATHNAME-P instead of DIRECTORY-EXISTS-P in
DIRECTORY-FILES.
Merge branch 'master' of ssh://common-lisp.net/project/asdf/public_html/asdf
Merge branch 'master' of ssh://common-lisp.net/project/asdf/public_html/asdf
Incorporated Mark Evenson's check for ABCL bundle support on Mac OS X.

Proposed fix for https://bugs.launchpad.net/asdf/+bug/1207073
Bump version to 3.1.0.65
Don't look for lisp-invocation in ../xcvb/ but in its own ../lisp-invocation/
since it has been spun off as its own library.
NB: if you don't have it installed,
you're not actually testing program-op in test-program.script.
Added missing reader conditional.
Add a test for backward-compatible propagation of operation classes.
Anton Vodonosov found that the backward-compatibility kluge was broken
and tried to compute the component-children of non-parent components.
Fix backward-compatible propagation of operations,
by only effecting them on parent classes.
Also, do the sideways dependencies FIRST.
Bump version to 3.1.0.66