Update CHANGELOG

Author: srawlins

CHANGELOG.md

@@ -6,7 +6,10 @@
 * Improve autolink parsing.
 * Added new table syntax: `TableSyntax`.
 * Added new ExtensionSet that includes the table syntax: `ExtensionSet.gitHub`.
-* For development: added tool/travis.sh.
+* For development: added `tool/travis.sh`.
+* Support multiline Setext headers.
+* Handle loose-vs-strict list items better.
+* Support ordered lists that start with a number other than 1.
 
 ## 0.11.0+1
 

README.md

@@ -69,6 +69,16 @@ parameter. Right now there are two extension sets:
   * `new InlineHtmlSyntax()`
   * `const FencedCodeBlockSyntax()`
 
+* `ExtensionSet.gitHub` includes five extensions:
+
+  * `new InlineHtmlSyntax()`
+  * `const FencedCodeBlockSyntax()`
+  * `const HeaderWithIdSyntax()`, which adds `id` attributes to ATX-style
+    headers, for easy intra-document linking.
+  * `const SetextHeaderWithIdSyntax()`, which adds `id` attributes to
+    Setext-style headers, for easy intra-document linking.
+  * `const TableSyntax()`
+
 ### Custom syntax extensions
 
 You can create and use your own syntaxes.