Error message fixes

src/NmeaParser/Nmea/Bod.cs

@@ -36,7 +36,7 @@ namespace NmeaParser.Messages
         public Bod(string type, string[] message) : base(type, message)
         {
             if (message == null || message.Length < 3)
-                throw new ArgumentException("Invalid GPBOD", "message");
+                throw new ArgumentException("Invalid BOD", "message");
             if (message[0].Length > 0)
                 TrueBearing = double.Parse(message[0], CultureInfo.InvariantCulture);
             else

src/NmeaParser/Nmea/Gga.cs

@@ -36,7 +36,7 @@ namespace NmeaParser.Messages
         public Gga(string type, string[] message) : base(type, message)
         {
             if (message == null || message.Length < 14)
-                throw new ArgumentException("Invalid GPGGA", "message"); 
+                throw new ArgumentException("Invalid GGA", "message"); 
             FixTime = StringToTimeSpan(message[0]);
             Latitude = NmeaMessage.StringToLatitude(message[1], message[2]);
             Longitude = NmeaMessage.StringToLongitude(message[3], message[4]);

src/NmeaParser/Nmea/Gll.cs

@@ -34,7 +34,7 @@ namespace NmeaParser.Messages
         public Gll(string type, string[] message) : base(type, message)
         {
             if (message == null || message.Length < 4)
-                throw new ArgumentException("Invalid GPGLL", "message");
+                throw new ArgumentException("Invalid GLL", "message");
             Latitude = NmeaMessage.StringToLatitude(message[0], message[1]);
             Longitude = NmeaMessage.StringToLongitude(message[2], message[3]);
             if (message.Length >= 5) //Some older GPS doesn't broadcast fix time

src/NmeaParser/Nmea/Gsa.cs

@@ -33,7 +33,7 @@ namespace NmeaParser.Messages
         public Gsa(string type, string[] message) : base(type, message)
         {
             if (message == null || message.Length < 17)
-                throw new ArgumentException("Invalid GPGSA", "message");
+                throw new ArgumentException("Invalid GSA", "message");
 
             Mode = message[0] == "A" ? Gsa.ModeSelection.Auto : Gsa.ModeSelection.Manual;
             Fix = (Gsa.FixType)int.Parse(message[1], CultureInfo.InvariantCulture);

src/NmeaParser/Nmea/Gst.cs

@@ -31,7 +31,7 @@ namespace NmeaParser.Messages
         public Gst(string type, string[] message) : base(type, message)
         {
             if (message == null || message.Length < 8)
-                throw new ArgumentException("Invalid GPGST", "message");
+                throw new ArgumentException("Invalid GST", "message");
             FixTime = StringToTimeSpan(message[0]);
             Rms = NmeaMessage.StringToDouble(message[1]);
             SemiMajorError = NmeaMessage.StringToDouble(message[2]);

src/NmeaParser/Nmea/Rmb.cs

@@ -55,7 +55,7 @@ namespace NmeaParser.Messages
         public Rmb(string type, string[] message) : base(type, message)
         {
             if (message == null || message.Length < 13)
-                throw new ArgumentException("Invalid GPRMB", "message");
+                throw new ArgumentException("Invalid RMB", "message");
 
             Status = message[0] == "A" ? DataStatus.Ok : Rmb.DataStatus.Warning;
             double tmp;

src/NmeaParser/Nmea/Rmc.cs

@@ -38,7 +38,7 @@ namespace NmeaParser.Messages
         public Rmc(string type, string[] message) : base(type, message)
         {
             if (message == null || message.Length < 11)
-                throw new ArgumentException("Invalid GPRMC", "message"); 
+                throw new ArgumentException("Invalid RMC", "message"); 
             
             if (message[8].Length == 6 && message[0].Length >= 6)
             {

src/NmeaParser/Nmea/Rte.cs

@@ -59,7 +59,7 @@ namespace NmeaParser.Messages
         public Rte(string type, string[] message) : base(type, message)
         {
             if (message == null || message.Length < 4)
-                throw new ArgumentException("Invalid GPRTE", "message");
+                throw new ArgumentException("Invalid RTE", "message");
             ListType = message[2] == "c" ? WaypointListType.CompleteWaypointsList : WaypointListType.RemainingWaypointsList;
             RouteId = message[3];
         }

src/NmeaParser/Nmea/Vtg.cs

@@ -34,7 +34,7 @@ namespace NmeaParser.Messages
         public Vtg(string type, string[] message) : base(type, message)
         {
             if (message == null || message.Length < 7)
-                throw new ArgumentException("Invalid Gpvtg", "message");
+                throw new ArgumentException("Invalid VTG", "message");
             CourseTrue = NmeaMessage.StringToDouble(message[0]);
             CourseMagnetic = NmeaMessage.StringToDouble(message[2]);
             SpeedKnots = NmeaMessage.StringToDouble(message[4]);