Sync all changes: debug dialogs, OpenGL 3.3 compat, glewExperimental, macOS fixes

Author: pepc84

CppMode.txt

@@ -4,7 +4,7 @@ authors=[Jose Gonzalez Llamas](https://github.com/pepc84)
 url=https://github.com/processing-cpp/processing.cpp
 sentence=Write and run Processing sketches in C++.
 paragraph=C++ Mode lets you write sketches using the familiar Processing API — size(), ellipse(), mouseX, draw() — but compiled to a native binary via g++. Runs on Linux and Windows (via MSYS2). Requires g++ and OpenGL (GLFW + GLEW).
-version=15
-prettyVersion=0.4.5
+version=17
+prettyVersion=--run
 minRevision=1280
 maxRevision=0

dist/processing-cpp-cmake.zip

@@ -4,7 +4,7 @@ authors=[Jose Gonzalez Llamas](https://github.com/pepc84)
 url=https://github.com/processing-cpp/processing.cpp
 sentence=Write and run Processing sketches in C++.
 paragraph=C++ Mode lets you write sketches using the familiar Processing API — size(), ellipse(), mouseX, draw() — but compiled to a native binary via g++. Runs on Linux, macOS, and Windows (via MSYS2). Requires g++ and OpenGL (GLFW + GLEW).
-version=15
-prettyVersion=0.4.5
+version=17
+prettyVersion=--run
 minRevision=1280
 maxRevision=0

dist/processing-cpp-plugandplay.zip

@@ -3332,6 +3332,9 @@ void PApplet::run(){
     ::std::srand((unsigned)::std::time(nullptr));
     initPerlin(0); // initialize noise table with default seed
 
+#ifdef _WIN32
+    MessageBoxA(NULL, "Before glfwInit", "Debug-1", MB_OK);
+#endif
     if(!glfwInit()){
         fprintf(stderr, "[ERR] glfwInit() failed. Make sure libglfw3.dll is next to ide.exe\n");
 #ifdef _WIN32
@@ -3362,6 +3365,9 @@ void PApplet::run(){
     glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
     glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
     glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_COMPAT_PROFILE);
+#ifdef _WIN32
+    MessageBoxA(NULL, "Before glfwCreateWindow", "Debug0", MB_OK);
+#endif
     gWindow=glfwCreateWindow(winWidth,winHeight,g_sketchName.c_str(),nullptr,nullptr);
     if(!gWindow){
         const char* err="unknown"; (void)err;