         }
         return isFirstBuild
     }
-
+    
     // MARK: - Version
     
     public static func currentVersion() -> String {

    }

    public static func previousVersion() -> String? {
     return sharedInstance.previousVersion()
    }
    
    public static func versionHistory() -> [String] {

private let kBuildsKey = "kVTBuilds"

public struct VersionTracking {
    
    public typealias FirstLaunch = () -> Void
    
    static var sharedInstance = VersionTracking()
    
