code> and <code>mp.spatt.test</code> functions (which were the original names for <code>att_gt</code>)</p></li>
<li><p>Simulation/testing code now exported</p></li>
<li><p>Removed some slow running checks</p></li>
<li><p>Multiplier bootstrap code is now written in C++</p></li>
<li><p>Improvements to error handling, added some additional warning messages, removed some unnecessary warning messages</p></li>
<li><p>Bug fixes for NA standard errors that occur with very small groups</p></li>
</ul></div>
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