added a small cherrypy logout page.

logout.py

@@ -1,13 +1,21 @@
 import database
-import login
 
-def process_form(req,form):
-	username = form["username"]
-	myuser = database.Users.byUsername(username)
-	myuser.sessionid = None
-	
-	login.main(req,form)
-	
+from cherrypy import cpg
+from cherrypy.lib import httptools
 
-def main(req,form):
-	process_form(req,form)
+	
+class Logout:
+	def index(self):
+		try:
+			username = cpg.request.sessionMap["username"]
+			myuser = database.Users.byUsername(username)
+			myuser.sessionid = None
+			myuser.timeout = 0
+		except:
+			return helper.cs_render("templates/not_logged_in.cs")
+			username = ""
+		#sessionid = cpg.request.sessionMap["_sessionId"]
+		# now let cookie expire
+		cpg.response.simpleCookie["WebGoSessionCookie"]["expires"] = 0 
+		httptools.redirect("/")
+	index.exposed = True