Logging cleanup (#69)

* Mac OS X 10.6 & More C++03 Support

* Fix SDL2 options.txt loading for C++03

* Output/Logging Overhaul
* Added StandardOut class
* Renamed LOGX macros to LOG_X
* Removed LogMsg macros in favor of LOG_X
* Added console window for debug Windows builds

* Updated Xcode Project
+ StandardOut.hpp
+ StandardOut.cpp

* StandardOut_windows
* Replaced the Windows #ifdefs in StandardOut with StandardOut_windows

---------

Co-authored-by: Brent Da Mage <BrentDaMage@users.noreply.github.com>

source/common/Util.cpp

@@ -6,6 +6,7 @@
 	SPDX-License-Identifier: BSD-1-Clause
  ********************************************************************/
 
+#include <stdarg.h>
 #include "Util.hpp"
 
 std::string Util::stringTrim(const std::string& str, const std::string& filter, bool a4, bool a5)
@@ -43,3 +44,23 @@ std::string Util::stringTrim(const std::string& str)
 	return stringTrim(str, " \t\n\r", true, true);
 }
 
+std::string Util::vformat(const char *fmt, va_list argPtr)
+{
+	char str[1024];
+
+	vsnprintf(str, sizeof(str), fmt, argPtr);
+
+	return std::string(str);
+}
+
+std::string Util::format(const char *fmt, ...)
+{
+	std::string str;
+	va_list argList;
+
+	va_start(argList, fmt);
+	str = vformat(fmt, argList);
+	va_end(argList);
+
+	return str;
+}