Add ability to call Rogue_launch() on load
Add ability to call Rogue_launch() on load

If you define ROGUE_AUTO_LAUNCH for the C++ preprocessor,
Rogue_launch() will be marked with the "constructor"
attribute.  This is useful for creating shared libraries
that automatically initialize Rogue.

Plasmaworks/Rogue,Plasmaworks/Rogue,Plasmaworks/Rogue,AbePralle/Rogue,Plasmaworks/Rogue,AbePralle/Rogue