updated picker code

Signed-off-by: Matt Bruce <matt.bruce@verizon.com>

VDSSample/Protocols/PickerBase.swift

@@ -134,8 +134,15 @@ public class PickerSelectorView<EnumType: RawRepresentable>: UIStackView, Picker
     }
     
     private func title(for row: Int) -> String {
-        guard  let item = items[row].rawValue as? String else { return "" }
-        return item
+        let item = items[row]
+        
+        if let item = item as? CustomStringConvertible {
+            return item.description
+        } else if let raw = item.rawValue as? String {
+            return raw
+        } else {
+            return ""
+        }
     }
 
 }