Merge pull request #459 from linas/master

minor tweaks, fixes.
Update project status
Fix UTF-8 bug
Expand the guile utf8 coverage test
Add another utf8 string
bugfix: escape string sent to shell
Attempt to partly mangle RFC 2066
Disable the RFC 2066 code, for now
Status update
Change the log-level for user errors.
Print the actual error message
Install signal handler for sigsegv
print a warning if config file is misconfigured
Hush up another error print
Correct comments: its UTF-8 not ASCII
Fix a UTF-8 bug.
Update the documentation for scheme utilities