[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-serv31982/scheme/install-lib

Modified Files:
        install-lib.scm 
Log Message:
Implemented suggestions by Anthony Carrico:
- display an error message when an unknown layout is given,
- the version number in "define-package" is now quasi-quoted,
- added "install-string" to install an arbitrary string in a file,
- forbid relative prefixes.