[svn r104] TONS OF FIXES. Split up declaration, constant initializer gen and definition for globals, structs, classes and functions. Improved ClassInfo support (not complete), not in vtable yet. Fixed a bunch of forward reference problems. Much more. Major commit! :)

module a;

int i = 42;

void main()
{
    int j;
    j = i;
    int* p;
    p = &j;
    int k = *p;
    assert(k == 42);

    byte b = -1;
    int i = b;
    assert(i == -1);

    int* p2 = p;

    printf("Done\n");
}