TippingCanoe/imager — pull request #3 by tyler43636 (2014-02-24 03:41:45+00:00)
Title: Bind \Aws\S3\S3Client before binding the driver

Imager was trying to bind the S3 driver before the \Aws\S3\S3Client had been bound. This caused a "Target [Aws\Common\Credentials\CredentialsInterface] is not instantiable." error.