Hahah you're funny. No it doesn't mean that! It means exactly what it says.
If he didn't have any intentions of caring about you, he wouldn't have said that.
It means he would like to hear from you soon
But really you need to read the way he put it out. He could be just playing you. That sounds like either a guy who's a player or a nice guy. Put your guard up and make sure he's not playing you
Keep in contact. That's it.
Could either mean he doesn't care or he's playing it up like he doesn't care. He might be trying to see if you will chase after him.