Update for 37-13

Update for NWNEE 37-13.  Updated NWNxEE.  Full compile.

_module/nss/nwnx_ruby.nss

@@ -2,7 +2,6 @@
 /// @brief Allows users to execute arbitrary Ruby from the game.
 /// @{
 /// @file nwnx_ruby.nss
-#include "nwnx"
 
 const string NWNX_Ruby = "NWNX_Ruby"; ///< @private
 
@@ -13,11 +12,9 @@ string NWNX_Ruby_Evaluate(string sCode);
 /// @return The output of the call.
 string NWNX_Ruby_Evaluate(string sCode)
 {
-    string sFunc = "Evaluate";
-
-    NWNX_PushArgumentString(sCode);
-    NWNX_CallFunction(NWNX_Ruby, sFunc);
-    return NWNX_GetReturnValueString();
+    NWNXPushString(sCode);
+    NWNXCall(NWNX_Ruby, "Evaluate");
+    return NWNXPopString();
 }
 
 /// @}