chore: regens API reference docs (#889)

diff --git a/docs/epy/googleapiclient.model-module.html b/docs/epy/googleapiclient.model-module.html
index 031d99d..b454d66 100644
--- a/docs/epy/googleapiclient.model-module.html
+++ b/docs/epy/googleapiclient.model-module.html
@@ -205,6 +205,20 @@
     </table>
   </td>
 </tr>
+<tr class="private">
+    <td width="15%" align="right" valign="top" class="summary">
+      <span class="summary-type">&nbsp;</span>
+    </td><td class="summary">
+        <a href="googleapiclient.model-module.html#_LIBRARY_VERSION" class="summary-name" onclick="show_private();">_LIBRARY_VERSION</a> = <code title="pkg_resources.get_distribution(&quot;google-api-python-client&quot;).version">pkg_resources.get_distribution(&quot;google-api-<code class="variable-ellipsis">...</code></code>
+    </td>
+  </tr>
+<tr class="private">
+    <td width="15%" align="right" valign="top" class="summary">
+      <span class="summary-type">&nbsp;</span>
+    </td><td class="summary">
+        <a name="_PY_VERSION"></a><span class="summary-name">_PY_VERSION</span> = <code title="platform.python_version()">platform.python_version()</code>
+    </td>
+  </tr>
 <tr>
     <td width="15%" align="right" valign="top" class="summary">
       <span class="summary-type">&nbsp;</span>
@@ -280,6 +294,43 @@
 </td></tr></table>
 </div>
 <br />
+<!-- ==================== VARIABLES DETAILS ==================== -->
+<a name="section-VariablesDetails"></a>
+<table class="details" border="1" cellpadding="3"
+       cellspacing="0" width="100%" bgcolor="white">
+<tr bgcolor="#70b0f0" class="table-header">
+  <td colspan="2" class="table-header">
+    <table border="0" cellpadding="0" cellspacing="0" width="100%">
+      <tr valign="top">
+        <td align="left"><span class="table-header">Variables Details</span></td>
+        <td align="right" valign="top"
+         ><span class="options">[<a href="#section-VariablesDetails"
+         class="privatelink" onclick="toggle_private();"
+         >hide private</a>]</span></td>
+      </tr>
+    </table>
+  </td>
+</tr>
+</table>
+<a name="_LIBRARY_VERSION"></a>
+<div class="private">
+<table class="details" border="1" cellpadding="3"
+       cellspacing="0" width="100%" bgcolor="white">
+<tr><td>
+  <h3 class="epydoc">_LIBRARY_VERSION</h3>
+  
+  <dl class="fields">
+  </dl>
+  <dl class="fields">
+    <dt>Value:</dt>
+      <dd><table><tr><td><pre class="variable">
+pkg_resources.get_distribution(&quot;google-api-python-client&quot;).version
+</pre></td></tr></table>
+</dd>
+  </dl>
+</td></tr></table>
+</div>
+<br />
 <!-- ==================== NAVIGATION BAR ==================== -->
 <table class="navbar" border="0" width="100%" cellpadding="0"
        bgcolor="#a0c0ff" cellspacing="0">
@@ -306,7 +357,7 @@
 <table border="0" cellpadding="0" cellspacing="0" width="100%%">
   <tr>
     <td align="left" class="footer">
-    Generated by Epydoc 3.0.1 on Fri Jun 14 15:57:27 2019
+    Generated by Epydoc 3.0.1 on Thu Apr 30 17:06:05 2020
     </td>
     <td align="right" class="footer">
       <a target="mainFrame" href="http://epydoc.sourceforge.net"