Version bump

.version

@@ -1 +1 @@
-0.5.5
+0.5.6

doc/CHANGELOG.md

@@ -8,7 +8,7 @@
 </tr>
 </thead><tbody>
 <tr valign=top>
-<td>0.5.5</td>
+<td>0.5.6</td>
 <td>2016-11-16</td>
 <td>
 <ul>
@@ -17,6 +17,13 @@
 </td>
 </tr>
 <tr valign=top>
+<td>0.5.5</td>
+<td>-</td>
+<td>
+Unreleased internal version
+</td>
+</tr>
+<tr valign=top>
 <td>0.5.4</td>
 <td>2016-11-07</td>
 <td>