Merge pull request #127 from burzum/develop

Fixing https://github.com/CakeDC/utils/issues/82 SoftDeleteBehavior: Met...
Merge pull request #130 from burzum/develop

Refactoring the slug generation of the SluggableBehavior a little, testi...
Merge pull request #131 from burzum/develop

Adding softDeleteAll() to the SoftDeleteBehavior, https://github.com/Cak...
Adding Installation.md
Merge branch 'develop' of github.com:CakeDC/utils into develop
Refs https://github.com/CakeDC/utils/issues/129 Adding some notes about priorities to the documentation of the sluggable behavior.