ENH: support wmakeLnInclude of C++ template files (.tcc, .tpp, .txx)

- can be used to avoid confusion with source files

ENH: improve handling of '--' option termination (wmake scripts)

wmake/wmakeCollect

@@ -63,6 +63,9 @@ unset cleanup
 while [ "$#" -gt 0 ]
 do
     case "$1" in
+    ('') ;;
+    (- | --) shift; break ;;  # Stop option parsing
+
     -h | -help*)
         usage
         ;;