Good news if you’ve outgrown your Snapchat username, as you’ll soon be able to change it. Snapchat is finally giving in to one of its users’ most requested options: the ability to change their username. Here’s how it works. Have things moved on since you chose your Snapchat username? Not a problem, as the social network is finally letting users change their username without losing their account. Evan Spiegel’s platform has announced the roll-out of this option starting February 23, giving Snapchat users the chance to pick a new username while keeping all their settings. This change will not af…