Core/Warden: Base implementation for Warden functionality

Note: The default config file action for clients failing the checks can be changed for each check via the characters.warden_action table

Credits to TOM_RUS

src/server/shared/Utilities/Util.cpp

@@ -16,6 +16,7 @@
  * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include <iostream>
 #include "Util.h"
 #include "utf8.h"
 #ifdef USE_SFMT_FOR_RNG
@@ -529,3 +530,15 @@ void hexEncodeByteArray(uint8* bytes, uint32 arrayLen, std::string& result)
     result = ss.str();
 }
 
+std::string ByteArrayToHexStr(uint8* bytes, uint32 length)
+{
+    std::ostringstream ss;
+    for (uint32 i = 0; i < length; ++i)
+    {
+        char buffer[4];
+        sprintf(buffer, "%02X ", bytes[i]);
+        ss << buffer;
+    }
+
+    return ss.str();
+}