     public static func randomFakeCity() -> String {
         let cityPrefixes = ["North", "East", "West", "South", "New", "Lake", "Port"]
         let citySuffixes = ["town", "ton", "land", "ville", "berg", "burgh", "borough", "bury", "view", "port", "mouth", "stad", "furt", "chester", "mouth", "fort", "haven", "side", "shire"]
-        return cityPrefixes.randomItem()! + citySuffixes.randomItem()!
+        return cityPrefixes.randomItem() + citySuffixes.randomItem()
     }
     
     public static func randomCurrency() -> String {
         let currencyList = ["USD", "EUR", "GBP", "JPY", "AUD", "CAD", "ZAR", "NZD", "INR", "BRP", "CNY", "EGP", "KRW", "MXN", "SAR", "SGD",]
         
-        return currencyList.randomItem()!
+        return currencyList.randomItem()
     }
 
     public enum GravatarStyle: String {

    }

    /// SwiftRandom extension
    public static func random() -> Date {
        let randomTime = TimeInterval(arc4random_uniform(UInt32.max))
        return Date(timeIntervalSince1970: randomTime)
    }

}

public extension UIColor {
    /// SwiftRandom extension
    public static func random(_ randomAlpha: Bool = false) -> UIColor {
        let randomRed = CGFloat.random()
        let randomGreen = CGFloat.random()
        let randomBlue = CGFloat.random()

    }
}

public extension NSURL {
    /// SwiftRandom extension
    public static func random() -> NSURL {
        let urlList = ["http://www.google.com", "http://leagueoflegends.com/", "https://github.com/", "http://stackoverflow.com/", "https://medium.com/", "http://9gag.com/gag/6715049", "http://imgur.com/gallery/s9zoqs9", "https://www.youtube.com/watch?v=uelHwf8o7_U"]
        return NSURL(string: urlList.randomItem())!
    }
}

