message: var makes more sense as resref not filename, little tidying up
diff: @@ -31,7 +31,7 @@ string NWNX_Util_GenerateUUID();
  // Strip any color codes from a string
  string NWNX_Util_StripColors(string str);
  // Is a valid resref
  -int NWNX_Util_IsValidResRef(string filename, int type=NWNX_UTIL_RESREF_TYPE_CREATURE);
  +int NWNX_Util_IsValidResRef(string resref, int type = NWNX_UTIL_RESREF_TYPE_CREATURE);
  const string NWNX_Util = "NWNX_Util";
  @@ -99,11 +99,11 @@ string NWNX_Util_StripColors(string str)
  return NWNX_GetReturnValueString(NWNX_Util, sFunc);
  }
  -int NWNX_Util_IsValidResRef(string filename, int type=NWNX_UTIL_RESREF_TYPE_CREATURE)
  +int NWNX_Util_IsValidResRef(string resref, int type = NWNX_UTIL_RESREF_TYPE_CREATURE)
  {
  string sFunc = "IsValidResRef";
  NWNX_PushArgumentInt(NWNX_Util, sFunc, type);
  - NWNX_PushArgumentString(NWNX_Util, sFunc, filename);
  + NWNX_PushArgumentString(NWNX_Util, sFunc, resref);
  NWNX_CallFunction(NWNX_Util, sFunc);
  return NWNX_GetReturnValueInt(NWNX_Util, sFunc);
  }
  