Added
* The replacement of ordered ones with unordered ones is supported by loskost in https://github.com/loskost/pandas-categorical/pull/17
Other
* Drop misprint in readme by loskost in https://github.com/loskost/pandas-categorical/pull/12
* Add notebook with examples by loskost in https://github.com/loskost/pandas-categorical/pull/14
* Refactoring by loskost in https://github.com/loskost/pandas-categorical/pull/15
* Update readme by loskost in https://github.com/loskost/pandas-categorical/pull/16
**Full Changelog**: https://github.com/loskost/pandas-categorical/compare/1.0.1...1.1.0