diff -r 705d14f4d8ee -r 3896138955b1 lucene/src/luan/modules/lucene/LuceneIndex.java
--- a/lucene/src/luan/modules/lucene/LuceneIndex.java	Sun Oct 19 03:38:47 2014 +0000
+++ b/lucene/src/luan/modules/lucene/LuceneIndex.java	Mon Oct 20 02:23:00 2014 +0000
@@ -93,6 +93,17 @@
 		return new LuceneSnapshot(this);
 	}
 
+	public void delete_all() throws IOException {
+		writeLock.lock();
+		try {
+			writer.deleteAll();
+			writer.commit();
+			id = idLim = 0;
+		} finally {
+			writeLock.unlock();
+		}
+	}
+
 
 	private long id = 0;
 	private long idLim = 0;
@@ -184,6 +195,7 @@
 			add( tbl, "backup", LuanState.class, String.class );
 			add( tbl, "Writer", LuanState.class, LuanFunction.class );
 			add( tbl, "Searcher", LuanState.class, LuanFunction.class );
+			add( tbl, "delete_all" );
 		} catch(NoSuchMethodException e) {
 			throw new RuntimeException(e);
 		}

diff -r 705d14f4d8ee -r 3896138955b1 web/src/luan/modules/web/Http.luan
--- a/web/src/luan/modules/web/Http.luan	Sun Oct 19 03:38:47 2014 +0000
+++ b/web/src/luan/modules/web/Http.luan	Mon Oct 20 02:23:00 2014 +0000
@@ -16,11 +16,15 @@
 		return Table.concat(result)
 	end
 
+	cookies = cookies or {}
+
 	request = {
-		cookies = {}
+		parameters = {};
 	}
+	request.cookies = cookies
 
 	response = {
+
 		text_writer = function()
 			result = {}
 			return {
@@ -31,6 +35,15 @@
 				end;
 			}
 		end;
+
+		set_cookie = function(name,value)
+			cookies[name] = value
+		end;
+
+		send_redirect = function(url)
+			response.redirect = url
+		end;
+
 	}
 
 end