Fix mistakes in README.
Change version to 0.6.1.
Merge branch 'release/0.6.1'
Add support for catberry 1.0.0.
Change version to 1.0.0.
Replace jQuery with native XmlHttpRequest.
Fix result handler when remove listener.
Fix problem with Firefox.
Update readme.
Add abort functionality.
Fix bug with undefined content type on response.
Improve error handling.
Refactor.
Refactor event handling using XHR.
Update readme.
Merge branch 'release/1.0.0'