RailsOnLisp/rol-assets

diff --git a/package.lisp b/package.lisp
index ff2d936..4d8f54d 100644
--- a/package.lisp
+++ b/package.lisp
@@ -26,14 +26,28 @@
    #:*debug*
    #:*asset-url-prefix*
    #:*asset-path-prefix*
-   #:*assets-dirs* #:assets-dir
-   #:*precompiled-assets* #:precompiled-asset
+   #:*assets-dirs*
+   #:assets-dir
+   #:*precompiled-assets*
+   #:precompiled-asset
+   ;;  Classes
+   #:asset
+   #:font-asset
+   #:image-asset
+   #:preprocessed-asset
+   #:css-asset
+   #:js-asset
    ;;  Observers
-   #:asset-path #:asset-url
+   #:asset-path
+   #:asset-url
    #:assets-dirs
-   #:find-asset #:find-assets-from-spec #:find-assets-from-specs
+   #:find-asset
+   #:find-assets-from-spec
+   #:find-assets-from-specs
    #:locate-precompiled-assets
    ;;  Rendering
+   #:process-asset
+   #:preprocess-asset
    #:asset-html-include
    ;;  Precompile
    #:debug-msg
diff --git a/preprocess.lisp b/preprocess.lisp
index c126bf9..afc8361 100644
--- a/preprocess.lisp
+++ b/preprocess.lisp
@@ -105,5 +105,5 @@
 		      (file-more-recent-p (asset-source-path asset)
 					  output))
 		    assets))
-      (with-output-to-file/utf-8 (out output)
-	(compile-asset asset out)))))
+      (with-output-to-file/utf-8 (stream output)
+	(compile-asset asset stream)))))