Updated documentation

Author: rgaveiga

docs/optionlab.html

@@ -369,7 +369,7 @@ <h2 id="examples">Examples</h2>
 </span><span id="L-155"><a href="#L-155"><span class="linenos">155</span></a><span class="kn">from</span> <span class="nn">.utils</span> <span class="kn">import</span> <span class="n">get_pl</span><span class="p">,</span> <span class="n">pl_to_csv</span>
 </span><span id="L-156"><a href="#L-156"><span class="linenos">156</span></a>
 </span><span id="L-157"><a href="#L-157"><span class="linenos">157</span></a><span class="n">__docformat__</span> <span class="o">=</span> <span class="s2">&quot;markdown&quot;</span>
-</span><span id="L-158"><a href="#L-158"><span class="linenos">158</span></a><span class="n">__version__</span> <span class="o">=</span> <span class="s2">&quot;1.5.0&quot;</span>
+</span><span id="L-158"><a href="#L-158"><span class="linenos">158</span></a><span class="n">__version__</span> <span class="o">=</span> <span class="s2">&quot;1.5.1&quot;</span>
 </span></pre></div>