Added comments.
Decoupled VoyagerRestful driver from ILS\Connection.
Removed unused use statement.
Created class for managing holds configuration; eliminated some static calls/methods and a circular dependency.
Added missing comments.
Created services for hold/title-hold logic.
Simplified some method signatures thanks to the new dependency injection approach.
Decoupled ILS\Logic classes from Config\Reader.
Switch to config service.
Removed unused config call.
Created getConfig convenience method in base controller; used this to eliminate several Config\Reader calls.
Config cleanup; added missing comments.