Change the start and end address of the stack id. start is the new lowest addressable stack byte, end is the new highest addressable stack byte.
pub fn stackChange(id: usize, newstack: []u8) void
pub fn stackChange(id: usize, newstack: []u8) void {
doClientRequestStmt(.StackChange, id, @intFromPtr(newstack.ptr), @intFromPtr(newstack.ptr) + newstack.len, 0, 0);
}