update estrlist to 0.3 and fix has_space using

bin/epm-sh-functions

@@ -600,5 +600,5 @@ get_pkg_name_delimiter()
 
 has_space()
 {
-    estrlist has_space "$@"
+    estrlist -- has_space "$@"
 }

bin/tools_estrlist

@@ -287,7 +287,12 @@ esac
 shift
 
 # FIXME: do to call function directly, use case instead?
-if [ "$1" = "-" ] ; then
+if [ "$COMMAND" = "--" ] ; then
+    # ignore all options (-)
+    COMMAND="$1"
+    shift
+    "$COMMAND" "$@"
+elif [ "$1" = "-" ] ; then
     shift
     "$COMMAND" "$(cat) $@"
 elif [ "$2" = "-" ] ; then