-fixed code do cross compiling to android -fixed build with GCC (workaround) -added little benchmark -several small fixes -updated meson build (demos building, working with GCC, LDC and DMD) -added some meson options -added ImGUI bind for OpenGL3
-now empty systems can't handle events and listeners
-start working with WebAssembly -modified .gitignore -added meson build file (WIP)