diff --git a/v0.3.1/404.html b/v0.3.1/404.html
index 2ac5935..a8bde16 100644
--- a/v0.3.1/404.html
+++ b/v0.3.1/404.html
@@ -249,6 +249,24 @@
   
 
       
+        
+  
+  
+  
+    
+    
+      <li class="md-tabs__item">
+        <a href="/camlhmp/v0.3.1/api/" class="md-tabs__link">
+          
+  
+  API Reference
+
+        </a>
+      </li>
+    
+  
+
+      
     </ul>
   </div>
 </nav>
@@ -402,8 +420,15 @@
 
               
             
-              
-                
+          </ul>
+        </nav>
+      
+    </li>
+  
+
+    
+      
+      
   
   
   
@@ -419,10 +444,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_1_3" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2" >
         
           
-          <label class="md-nav__link" for="__nav_1_3" id="__nav_1_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_2" id="__nav_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -439,8 +464,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_1_3_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_1_3">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_2">
             <span class="md-nav__icon md-icon"></span>
             
   
@@ -510,14 +535,6 @@
     </li>
   
 
-              
-            
-          </ul>
-        </nav>
-      
-    </li>
-  
-
     
   </ul>
 </nav>
diff --git a/v0.3.1/api/engines/index.html b/v0.3.1/api/engines/index.html
index 4b189e0..b095ffe 100644
--- a/v0.3.1/api/engines/index.html
+++ b/v0.3.1/api/engines/index.html
@@ -256,16 +256,34 @@
         
   
   
+  
+    
+    
+      <li class="md-tabs__item">
+        <a href="../.." class="md-tabs__link">
+          
+  
+  camlhmp
+
+        </a>
+      </li>
+    
+  
+
+      
+        
+  
+  
     
   
   
     
     
       <li class="md-tabs__item md-tabs__item--active">
-        <a href="../.." class="md-tabs__link">
+        <a href="../" class="md-tabs__link">
           
   
-  camlhmp
+  API Reference
 
         </a>
       </li>
@@ -328,28 +346,23 @@
       
   
   
-    
-  
   
   
     
     
     
       
-        
-        
-      
       
     
     
-    <li class="md-nav__item md-nav__item--active md-nav__item--section md-nav__item--nested">
+    <li class="md-nav__item md-nav__item--nested">
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_1" checked>
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_1" >
         
           
-          <label class="md-nav__link" for="__nav_1" id="__nav_1_label" tabindex="">
+          <label class="md-nav__link" for="__nav_1" id="__nav_1_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -366,7 +379,7 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_1_label" aria-expanded="true">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_1_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_1">
             <span class="md-nav__icon md-icon"></span>
             
@@ -431,8 +444,15 @@
 
               
             
-              
-                
+          </ul>
+        </nav>
+      
+    </li>
+  
+
+    
+      
+      
   
   
     
@@ -443,17 +463,20 @@
     
     
       
+        
+        
+      
       
     
     
-    <li class="md-nav__item md-nav__item--active md-nav__item--nested">
+    <li class="md-nav__item md-nav__item--active md-nav__item--section md-nav__item--nested">
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_1_3" checked>
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2" checked>
         
           
-          <label class="md-nav__link" for="__nav_1_3" id="__nav_1_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_2" id="__nav_2_label" tabindex="">
             
   
   <span class="md-ellipsis">
@@ -470,8 +493,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_1_3_label" aria-expanded="true">
-          <label class="md-nav__title" for="__nav_1_3">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_2_label" aria-expanded="true">
+          <label class="md-nav__title" for="__nav_2">
             <span class="md-nav__icon md-icon"></span>
             
   
@@ -682,14 +705,6 @@
     </li>
   
 
-              
-            
-          </ul>
-        </nav>
-      
-    </li>
-  
-
     
   </ul>
 </nav>
diff --git a/v0.3.1/api/index.html b/v0.3.1/api/index.html
index 473c841..937482d 100644
--- a/v0.3.1/api/index.html
+++ b/v0.3.1/api/index.html
@@ -253,16 +253,34 @@
         
   
   
+  
+    
+    
+      <li class="md-tabs__item">
+        <a href=".." class="md-tabs__link">
+          
+  
+  camlhmp
+
+        </a>
+      </li>
+    
+  
+
+      
+        
+  
+  
     
   
   
     
     
       <li class="md-tabs__item md-tabs__item--active">
-        <a href=".." class="md-tabs__link">
+        <a href="./" class="md-tabs__link">
           
   
-  camlhmp
+  API Reference
 
         </a>
       </li>
@@ -325,28 +343,23 @@
       
   
   
-    
-  
   
   
     
     
     
       
-        
-        
-      
       
     
     
-    <li class="md-nav__item md-nav__item--active md-nav__item--section md-nav__item--nested">
+    <li class="md-nav__item md-nav__item--nested">
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_1" checked>
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_1" >
         
           
-          <label class="md-nav__link" for="__nav_1" id="__nav_1_label" tabindex="">
+          <label class="md-nav__link" for="__nav_1" id="__nav_1_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -363,7 +376,7 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_1_label" aria-expanded="true">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_1_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_1">
             <span class="md-nav__icon md-icon"></span>
             
@@ -428,8 +441,15 @@
 
               
             
-              
-                
+          </ul>
+        </nav>
+      
+    </li>
+  
+
+    
+      
+      
   
   
     
@@ -440,17 +460,20 @@
     
     
       
+        
+        
+      
       
     
     
-    <li class="md-nav__item md-nav__item--active md-nav__item--nested">
+    <li class="md-nav__item md-nav__item--active md-nav__item--section md-nav__item--nested">
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_1_3" checked>
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2" checked>
         
           
-          <label class="md-nav__link" for="__nav_1_3" id="__nav_1_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_2" id="__nav_2_label" tabindex="">
             
   
   <span class="md-ellipsis">
@@ -467,8 +490,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_1_3_label" aria-expanded="true">
-          <label class="md-nav__title" for="__nav_1_3">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_2_label" aria-expanded="true">
+          <label class="md-nav__title" for="__nav_2">
             <span class="md-nav__icon md-icon"></span>
             
   
@@ -546,14 +569,6 @@
     </li>
   
 
-              
-            
-          </ul>
-        </nav>
-      
-    </li>
-  
-
     
   </ul>
 </nav>
diff --git a/v0.3.1/index.html b/v0.3.1/index.html
index 20f0b5d..d71aa95 100644
--- a/v0.3.1/index.html
+++ b/v0.3.1/index.html
@@ -273,6 +273,24 @@
   
 
       
+        
+  
+  
+  
+    
+    
+      <li class="md-tabs__item">
+        <a href="api/" class="md-tabs__link">
+          
+  
+  API Reference
+
+        </a>
+      </li>
+    
+  
+
+      
     </ul>
   </div>
 </nav>
@@ -799,8 +817,15 @@
 
               
             
-              
-                
+          </ul>
+        </nav>
+      
+    </li>
+  
+
+    
+      
+      
   
   
   
@@ -816,10 +841,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_1_3" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2" >
         
           
-          <label class="md-nav__link" for="__nav_1_3" id="__nav_1_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_2" id="__nav_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -836,8 +861,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_1_3_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_1_3">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_2">
             <span class="md-nav__icon md-icon"></span>
             
   
@@ -907,14 +932,6 @@
     </li>
   
 
-              
-            
-          </ul>
-        </nav>
-      
-    </li>
-  
-
     
   </ul>
 </nav>
diff --git a/v0.3.1/installation/index.html b/v0.3.1/installation/index.html
index be4b904..8a1cab0 100644
--- a/v0.3.1/installation/index.html
+++ b/v0.3.1/installation/index.html
@@ -275,6 +275,24 @@
   
 
       
+        
+  
+  
+  
+    
+    
+      <li class="md-tabs__item">
+        <a href="../api/" class="md-tabs__link">
+          
+  
+  API Reference
+
+        </a>
+      </li>
+    
+  
+
+      
     </ul>
   </div>
 </nav>
@@ -801,8 +819,15 @@
 
               
             
-              
-                
+          </ul>
+        </nav>
+      
+    </li>
+  
+
+    
+      
+      
   
   
   
@@ -818,10 +843,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_1_3" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2" >
         
           
-          <label class="md-nav__link" for="__nav_1_3" id="__nav_1_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_2" id="__nav_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -838,8 +863,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_1_3_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_1_3">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_2">
             <span class="md-nav__icon md-icon"></span>
             
   
@@ -909,14 +934,6 @@
     </li>
   
 
-              
-            
-          </ul>
-        </nav>
-      
-    </li>
-  
-
     
   </ul>
 </nav>