Restructure : System Calls

[EdNutting]

Implement the new process related system calls detailed on this page.

[EdNutting]

Start Process call done.

[EdNutting]

    //TODO: End Process syscall
    //TODO: Get Process Attributes syscall
    //TODO: Set Process Attributes syscall
    //TODO: Wait On Process syscall

    //TODO: Get current thread Id syscall
    //TODO: End Thread syscall
    //TODO: Set Thread Attributes syscall
    //TODO: Get Thread List syscall
    //TODO: Wait On Thread syscall

[EdNutting]

Merge with #61

    //TODO: Set Time syscall

[EdNutting]

    //TODO: Decide if InitFS call needs any arguments and then implement them