crc-0.1.2.0: changelog.md

0.1.2.0
* Use strict fold on ByteString for memory efficiency [#4](https://github.com/MichaelXavier/crc/pull/4)

0.1.1.1
* Export `digestWithInitial`[#3](https://github.com/MichaelXavier/crc/pull/3)

0.1.0.0
* Update deps
* Allow newer GHC versions