title: Phinx path with subfolders
body: <p>i want to have a better overview on the phinx migration files. i want something like this</p>
  
  <pre><code>/db/migration/1.8.5/ID-2065/my_file_name_1234567890
  </code></pre>
  
  <p>So i can use </p>
  
  <pre><code> 'migrations' =&gt; '%%PHINX_CONFIG_DIR%%/db/migrations/'. $_ENV['APP_VERSION'],
  </code></pre>
  
  <p>In the docs only is something like this</p>
  
  <pre><code>migrations: %%PHINX_CONFIG_DIR%%/module/*/{data,scripts}/migrations
  </code></pre>
  
  <p>But how can i use there maybe a param from the command line.</p>
  
  <p>See you</p>