  DictParser extracts values from a [String: String] dictionary.
  */
 public class DictParser {
-    private let vp: ValueParser
     private let dict: [String: String]
+    public let vp: ValueParser
 
     public init(dict: [String: String], valueParser: ValueParser = ValueParser()) {
         self.dict = dict

            }
        case let .StringMinLengthError(name, value, minLength):
            if let n = name {
                return "Key \(n) had value \(value), shorter than minimum length \(minLength)"
            } else {
                return "Value \(value) is shorter than minimum length \(minLength)"
            }
        case let .StringMaxLengthError(name, value, maxLength):
            if let n = name {
                return "Key \(n) had value \(value), longer than minimum length \(maxLength)"
            } else {
                return "Value \(value) is longer than minimum length \(maxLength)"
            }
        case let .RegexpError(name, value, regexp):
            if let n = name {

            }
        case let .IntRangeError(name, value, range):
            if let n = name {
                return "Key \(n) had value \(vp.integerFormatter.stringFromNumber(value)!), not in range \(range)"
            } else {
                return "Value \(vp.integerFormatter.stringFromNumber(value)!) not in range \(range)"
            }
        case let .ValueTooLargeError(name, value, limit):
            if let n = name {
