TODO: Added IMAP section and removed unused Other protocols section

docs/TODO

@@ -71,11 +71,13 @@
  10.2 Initial response
  10.3 Graceful base64 decoding failure
  
- 11. LDAP
- 11.1 SASL based authentication mechanisms
+ 11. IMAP
+ 10.1 auth= in URLs
+ 10.2 Graceful base64 decoding failure
+ 
+ 12. LDAP
+ 12.1 SASL based authentication mechanisms
  
- 12. Other protocols
-
  13. New protocols
  13.1 RSYNC
 
@@ -411,9 +413,23 @@ to provide the data to send.
  gracefully shutdown the authentication process by sending a * response to the
  server as per RFC5034.
 
-11. LDAP
+11. IMAP
 
-11.1 SASL based authentication mechanisms
+11.1 auth= in URLs
+
+ Being able to specify the preferred authentication mechanism in the URL as
+ per RFC5092.
+
+11.2 Graceful base64 decoding failure
+
+ Rather than shutting down the session and returning an error when the
+ decoding of a base64 encoded authentication response fails, we should
+ gracefully shutdown the authentication process by sending a * response to the
+ server as per RFC3501.
+
+12. LDAP
+
+12.1 SASL based authentication mechanisms
 
  Currently the LDAP module only supports ldap_simple_bind_s() in order to bind
  to an LDAP server. However, this function sends username and password details
@@ -421,8 +437,6 @@ to provide the data to send.
  be possible to use ldap_bind_s() instead specifing the security context
  information ourselves.
 
-12. Other protocols
-
 13. New protocols
 
 13.1 RSYNC