allow cookie, header and stream only in cgi mode.

TODO.txt

@@ -1,9 +1,7 @@
 
 1) Allow keyword variables to be resolved with a ';resolve' modifier.
-2) Only allow stream tag in CGI mode.
 3) Create a method to upload a file directly to a file name to bypass
 buffering on large files.
-4) Allow the cookie tag only if CGI mode selected.
 5) Call tag is acting wierd. Look at testcall.jet.
 6) Create a tag for uploading of URL data to a specific file instead
 of buffering in an internal variable. Use <upload />. See testcgi.jet