slice amendments

template.erb

-<% amendments.each do |amendment| -%>
-=== Amendment <%= amendment.num %> ===
+<% amendments.each_slice(10) do |slice| -%>
+=== Amendments <%= slice.first.num %> - <%= slice.last.num %> ===
+<% slice.each do |amendment| -%>
+==== Amendments <%= amendment.num %> ====
 {| border="1" style="border-spacing:0;" cellpadding="3" width="100%"
 |-
 ! colspan="2" style="background-color: lightgrey;" |
@@ -19,3 +21,4 @@ Comments:
 |}
 
 <% end -%>
+<% end -%>