Repeat a String a number of times.

String+Additions.swift

extension String {
    func times(count: Int, separatedBy separator: String = "") -> String {
        return Array(count: count, repeatedValue: self).joinWithSeparator(separator)
    }
    
    static func times(count: Int, repeatedValue s: String, separatedBy separator: String = "") -> String {
        return Array(count: count, repeatedValue: s).joinWithSeparator(separator)
    }

}