Update README.md

Thanks to @tejo for the typo
Merge branch 'development'
Merge branch 'development'
Merge branch 'issue_21_unpack_ror_cheatsheet'
Version 1.0.1
Version 1.0.1 announcement text
Added a date in changelog
Development branch version is 1.1.0
Merge branch 'development' of github.com:codesake/codesake-dawn into development