Copyright (c) 2012 David Owen Licensed under the Academic Free License version 3.0. See LICENSE.txt for details. CLARIFICATIONS The copyright applies to only the following files: current retry snapshot start upgrade Including this work alongside another work creates a collective work, not a derivative work. Such a collective work should include proper attribution notices for its components, but the license requirements do not extend to any other individual component comprising the collective work. Example 1: A web application that uses this software to manage its own migrations. If the application were distributed in a format that includes this software, the distribution should include this work's copyright notice. The web application does not need to include such notice, and does not fall under the license requirements of this work. If the web application were also distributed without including this work, that distribution would not need to include this work's copyright notice. Example 2: A web application that manages schema migrations, using this software to do so. This application is a derivative work, and falls under every license requirement to that effect.