Improve Matcher.prototype.delRule
Improve Router.prototype.isImplemented
Update README.md
Merge pull request #36 from golyshevd/is-impl

Improve Router.prototype.isImplemented
Merge pull request #35 from golyshevd/del-rule

Improve Matcher.prototype.delRule
Merge pull request #37 from golyshevd/docum

Update README.md