It wasn't a Muslim ban. The ban didn't include Malaysia, Indonesia, or Algeria for instance and many other Muslim countries. There were 6 countries on the travel ban list. There are 50 Muslim-majority countries in the world.
That's a quote.
http://www.politifact.com/truth-o-meter/promises/trumpometer...
You may not like that fact but it remains a fact. Extra points for referring to himself in the third person because, you know, Obama was so arrogant.