- 'system'-based architecture set up.
- system accessing functions in engine::core
- Little idea of bootstrapping process in main2.cpp
- Corrected sys_exists function
- Using shared_ptr for system vector in engine core
- Moved 'sys_ptr' typedef to 'system.hpp'
- Added method in 'globals.hpp' to concatenate class and method names
- Changed pointer creation helper name to be more generic (SYS_UPTR -> SYS_MKPTR)