Do not cache chat, login and logout

pages/chat.mu

@@ -37,6 +37,7 @@ if msg_to_del is not None and hswro.is_admin():
             r.lrem(CHAT_NAME, 0, msg)
             break
 
+print("#!c=0")
 hswro.header("Shoutbox")
 if toast is not None:
     print(f"`c{toast}")

pages/login.mu

@@ -13,6 +13,7 @@ l = hswro.get_login_info()
 form_login = environ.get('field_username', None)
 form_pass = environ.get('field_pass', None)
 
+print("#!c=0")
 hswro.header()
 if l[1] is not None:
     print(f"`c`!Warning:`! {l[1]}")

pages/logout.mu

@@ -5,6 +5,7 @@ from os import environ
 
 hswro.logout()
 
+print("#!c=0")
 hswro.header()
 print("`cYou have been logged out.")
 hswro.footer()