title: Where is pyformat documentation
body: <p>I'm looking for pyformat docs like where I can find all the tags tha are availabe in pyformat, because I don't find any place that gives me a full list of the parameters that.</p>
  <p>I can use:</p>
  <pre><code>EX
  '{my_string:0&lt;15}'
  '{my_string!u}'
  </code></pre>
  <p>etc...</p>