diff --git a/doc/html/index.html b/doc/html/index.html
index 34e38d0c..be50f11b 100644
--- a/doc/html/index.html
+++ b/doc/html/index.html
@@ -126,7 +126,7 @@
   </p>
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 <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
-<td align="left"><p><small>Last revised: March 19, 2018 at 18:13:10 GMT</small></p></td>
+<td align="left"><p><small>Last revised: April 18, 2018 at 01:55:50 GMT</small></p></td>
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 </tr></table>
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diff --git a/doc/html/numpy/.doctrees/environment.pickle b/doc/html/numpy/.doctrees/environment.pickle
index 8f2b6fe5..8da3dbea 100644
Binary files a/doc/html/numpy/.doctrees/environment.pickle and b/doc/html/numpy/.doctrees/environment.pickle differ
diff --git a/doc/html/reference/index.html b/doc/html/reference/index.html
index c21173e4..352b010b 100644
--- a/doc/html/reference/index.html
+++ b/doc/html/reference/index.html
@@ -127,7 +127,7 @@
 </div>
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 <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
-<td align="left"><p><small>Last revised: March 19, 2018 at 18:13:25 GMT</small></p></td>
+<td align="left"><p><small>Last revised: April 18, 2018 at 01:55:56 GMT</small></p></td>
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diff --git a/doc/html/tutorial/index.html b/doc/html/tutorial/index.html
index 21e47ae2..141d74d4 100644
--- a/doc/html/tutorial/index.html
+++ b/doc/html/tutorial/index.html
@@ -140,7 +140,7 @@
 </div>
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 <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
-<td align="left"><p><small>Last revised: March 19, 2018 at 18:13:20 GMT</small></p></td>
+<td align="left"><p><small>Last revised: April 18, 2018 at 01:55:53 GMT</small></p></td>
 <td align="right"><div class="copyright-footer"></div></td>
 </tr></table>
 <hr>