adjust to recent code writing: more export in SERVLET-HANDLER/ADMIN, some import to SERVLET-HANDLER

scheme/httpd/surflets/packages.scm

@@ -78,7 +78,14 @@
   (export get-loaded-plugins
 	  unload-plugin
 	  set-instance-lifetime!
-	  get-instance-lifetime))
+	  get-instance-lifetime
+	  get-instances
+	  instance-servlet-name
+	  instance-memo
+	  instance-continuation-table
+	  instance-continuation-table-lock
+	  instance-continuation-counter
+	  instance-delete!))
 
 (define-structures
   ((servlet-handler servlet-handler-interface)
@@ -86,6 +93,7 @@
    (servlet-handler/admin servlet-handler/admin-interface))
   (open	httpd-responses
 	httpd-request
+	httpd-error
 	uri				;URI-PATH-LIST->PATH
 	tables				;HASH-TABLES
 	define-record-types		;DEFINE-RECORD-TYPE
@@ -120,6 +128,11 @@
 	  get-bindings
 	  extract-bindings
 	  extract-single-binding
+
+	  make-outdater
+	  (if-outdated :syntax)
+	  show-outdated
+
 	  generate-input-field-name
 	  make-input-field
 	  make-upper-input-field