Log Message:
Update to 1.4.1

* installation fix: (ice-9 and-let*) has been renamed to (ice-9 and-let-star)
* build fix: net_db.c `inet_aton' declaration now properly conditionalized
* bugfix: `expt' now handles negative exponents correctly
* installation fix: some programs are no longer installed
* guile-snarf usage now internalizes output-file creation/deletion
* installation fix: libltdl now "installable" instead of \ 
"convenience"
* library versioning now more disciplined
* "make check" now works
* provisional documentation available
* interface summarization available