         }
     }
     
+    /**
+        Log an *error* message. Use this to log information about something that has gone wrong.
+    
+        - parameter message :A string for the log message
+    */
     public class func error(
         message:String,
-        file:NSString = __FILE__,
+        file:String = __FILE__,
         function:String = __FUNCTION__,
         line:Int = __LINE__) {
         if SwiftLogger.service.logLevel.rawValue >= SwiftLogger.LogLevel.Error.rawValue {

        }
    }
    
    public static var dateFormat:String {
        get {
            return SwiftLogger.service.dateFormatter.dateFormat
        }

        }
    }
    
    /**
        Log a *verbose* message. Use this to provide fine grained message about the code path executed by your program.
    
        - parameter message :A string for the log message
    */
    public class func verbose(
        message:String,
        file:String = __FILE__,
        function:String = __FUNCTION__,
        line:Int = __LINE__) {
        if SwiftLogger.service.logLevel.rawValue >= SwiftLogger.LogLevel.Verbose.rawValue {
