I think it is looking better! Keep doing what you are doing until he is drinking and eating enough on his own!!! I have been searching for this site for you for the past couple of days that shows normal poos and ones that have an illness and I finally found it again. I know it is gross but it was very helpful for me a few times!
http://www.chat.allotment.org.uk/index.php?topic=17568.0
http://www.chat.allotment.org.uk/index.php?topic=17568.0