Add support for prefixes

This allows us to prepend “unique()” and “optional()” to Faker calls
Ugh, why did it not commit this file
Aligned array
CS fixes
Merge pull request #176 from GrahamCampbell/prefixes-cs

Prefixes CS Fixes
protected methods
Make sure we are replacing prefixed data
Merge pull request #175 from thephpleague/prefixes

Add support for prefixes.