Version bump to 1.2.1

Author: allejo

_includes/toc.html

@@ -24,7 +24,7 @@
         OTHER DEALINGS IN THE SOFTWARE.
     {% endcomment %}
     {% comment %}
-        Version 1.2.0
+        Version 1.2.1
           https://github.com/allejo/jekyll-toc
 
         "...like all things liquid - where there's a will, and ~36 hours to spare, there's usually a/some way" ~jaybe