Merge pull request codemix#143 from cebe/patch-1

Fix Url Matching for similar patterns

Merge pull request codemix#133 from codemix/131-geoip

GeoIp tests and code reorganization

Merge pull request codemix#128 from codemix/127-optional-session

Make use of session optional

Update README and add trace on change event

Merge pull request codemix#116 from carspending/master

Refactor so that persistence is extendable.

Improve line wrapping in comments

Issue codemix#105 Fix missing slug params with UrlNormalizer

Issue codemix#96 Add tests with disabled detection / persistence

Issue codemix#94 Refactor handling of trailing slashes

Issue codemix#91 Fix BC break with Yii < 2.0.10 due to normalizer