Update PHP minimum version based on HttpFoundation component
Move delimiter setting to new method
Move assignment of Slot providers to a new method
Create test coverage on Page::setDelimiter
Create test coverage on Page::createSlot
Create the Reel class containing the cards to be loaded into a Slot
Update documentor annotations
Remove cards property, replaced with reel
Move alias property from Slot to Reel
Create interfaces for Reel and Slot
Merge branch 'reel-card-alias' into develop
Create feature to allow card Reels to be loaded into Slots
New Slot methods to get/set a Reel, retrieve card by alias from the Slot
Encapsulate property for resolving undefined cards
Remove example.php
Update configuration in README to reflect the Slot Reels feature
Merge branch 'develop' into the master