DOC: Update TODO

Author: Pavlos Parissis

docs/source/TODO.rst

@@ -9,14 +9,10 @@ TODO
 
 #. Add support for OCSP stapling
 
-#. Add support for changing server's IP
-
 #. Add support for DNS resolvers
 
 #. Add support for dumping sessions
 
 #. make internal._HAProxyProcess.send_command() to return file type object as it will avoid to run through the list 2 times.
 
-#. Test against hapee, haproxy-1.6dev4
-
 #. Investigate the use of __slots__ in utils.CSVLine as it could speed up the library when we create 100K objects