Original release 20160919

Original release 20160919
2016-09-19: dop: do not show return value of <<perl-code;>> in dynamic html
2016-09-19: file if this code ends with a ";"
2016-09-07: new fex.ph config variable $purge
2016-09-01: dop: removed (forgotten) CGI::Carp
2016-08-29: fexsend,fexget: update function aborts if new version is not newer
2016-08-03: added timeout to error output, fixes hanging fup
2016-08-03: fexsend: fixed bug dangling symlinks raise an error in archive mode
2016-07-21: fexsrv: map http client headers HTTP-HOST HTTP-VERSION PROXY* to
2016-07-21: HTTP_X_HOST HTTP_X_VERSION HTTP_X_PROXY*
2016-07-11: added missing fex.png fexit.png to distribution
2016-05-31: fur: fixed bug no external user registration possible