Add support for Genera

[gmpalter]

• Update ASDF to version 3.3.4.14 which includes support for Genera
• Add Genera's network implementation
• Add Genera's implementation of QL-IMPL file and directory functions
• Genera's init file is named "lispm-init.lisp"
• Workaround the fact that Genera doesn't yet implement PPRINT-LOGICAL-BLOCK and friends
• Genera's PARSE-NAMESTRING produces unexpected results for Unix pathnames so include the type for "bundle-template.lisp" when calling MERGE-PATHNAMES
• #\Tab in Genera is not an ASCII character so change ACODE, ACASE and callers to use :TAB instead

[quicklisp]

Thanks for this PR.

Is there any way to incorporate ASDF into Genera instead of updating the Quicklisp version? The current version is chosen to avoid forcing any particular implementation forward before the vendor does so. (CLISP is the exception, since it does not provide ASDF at all.)

[gmpalter]

ASDF will be distributed with the release as SYS:CONTRIBUTED;ASDF;ASDF. It will not be loaded into the worlds distributed with the release. The user will have to load it in their lispm-init.lisp or manually.

[quicklisp]

I guess that means (require 'asdf) or similar can't easily be made to work?

[gmpalter]

On Genera, require without an optional pathname list will try to load a Genera system of the same name. I could probably arrange to make that work for ASDF.

[gmpalter]

I just put ASDF back to version 3.2.1.