And the OT doesn't count? Maybe you should read it too. You will find that God back then didn't mind slavery at all. In fact he even regulates it!
I have read both OT and NT [the important and hard to comprehend parts multiple times] ~ God allowed slavery in both the New and Old Testament times. Criminy there are still countries with legalized slavery today and we are virtual slaves paying a hefty portion of our income to the all-most-mighty fed gov...