Update changelog.

Author: partim

Changelog.md

@@ -8,12 +8,14 @@ New
 
 * Added `Parser::parse_parser` that allows parsing a given number of octets
   and return them as a cloned parser. ([#10])
+* Add methods to `Parser` to parse 64 and 128 bit integers. ([#11])
 
 Bug Fixes
 
 Other Changes
 
 [#10]: https://github.com/NLnetLabs/octseq/pull/10
+[#11]: https://github.com/NLnetLabs/octseq/pull/11
 
 
 ## 0.1.0