title: Could not load package intervention/image in http://packagist.org
body: <p>I don't know why, but I have this error when I try to install intervention/image in Laravel:</p>
  
  <p>[RuntimeException] Could not load package intervention/image in <a href="http://packagist.org" rel="nofollow">http://packagist.org</a>: [UnexpectedValueException] Could not parse version constraint 4.x.x: Invalid version string "4.x.x"</p>