init(Flags)   
 quit()   
 getError()  Args: BitMask
Returns: WrapperRef
C-API: int SDL_Init(Uint32 flags);
Desc:
 Initializes the SDL (including the erlang specific parts)
Args: none
Returns: Quits the wrapper
C-API: void SDL_Quit(void);
Args: none
Returns: DescString
C-API: char * SDL_GetError(void);