Use removeObjectForKey instead of setValue:nil on deviceToken
Use removeObjectForKey instead of setValue:nil on deviceToken

mikerowan/ios-library,ipmobiletech/ios-library,ipmobiletech/ios-library,zhangqinghe/ios-library,grosch/ios-library,zhangqinghe/ios-library,grosch/ios-library,mikerowan/ios-library,manuyavuz/ios-library,grosch/ios-library,mikerowan/ios-library,manuyavuz/ios-library,manuyavuz/ios-library,ipmobiletech/ios-library,zhangqinghe/ios-library