Increase steps range to validate client version.

I noticed there was a client that had AND operation before CMP, which
both are 81:
81 E1 FF 00 00 00   and     ecx, 0FFh
81 FE 2C 0C 00 00   cmp     esi, 0C2Ch

source/KO-TBLCryptoEditor/Core/TargetPE.cs

@@ -103,7 +103,7 @@ private bool ValidateKOClient()
 
         private bool InitClientVersion()
         {
-            const int MAX_STEPS_FORWARD = 4;
+            const int MAX_STEPS_FORWARD = 10;
             const int MIN_CLIENT_VERSION = 1000;
             const int MAX_CLIENT_VERSION = 5000;