wip history
added inList to improve has and remove methods
improved naming of variables
added one method, added loaded and rendered events
minor code improvements
minor code improvements and added a show spinner before method
added priority support to IASCallbacks
added .scrutinizer.yml
added ready event, added priority to on-method
worked on history support in extensions
fixed tests
changed files order for dist
updated changelog and upgrade notes
added browser support check for html5 history
set priority correct
improved changelog
Merge pull request #123 from webcreate/history-extension

History extension