[Scsh-checkins] scsh-packages/scheme/install-lib install-lib.scm

[Michel Schinz <michel-schinz@users.sourceforge.net>]

Update of /cvsroot/scsh/scsh-packages/scheme/install-lib
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv18507/scheme/install-lib

Modified Files:
        install-lib.scm 
Log Message:
- fixed usage string,
- improved the "use hint" displayed at the end, and moved the code
  producing it to a separate function,
- made "--help" work even when no "pkg-def.scm" file is found.