Hi, thanks for trying it out :)
1. i havent really made any documentation yet but will write up a guide this week, Its designed to be quite fail safe for experimentation so dont be afraid to just go for it :)
I respect users deserve a guide and will finally get round to it.
2 there is no pause control, ill try to add one. its a good idea.
3. not yet, its possible but will take a bit of doing. if i can make it happen i will. if im truthful im intimidated by designing the ui for it. so it shows saves correctly and how exactly to implement it.
4. This is something id love to add. and will look into it.
recently time has been my main enemy but i intend to get back to this soon,
Hope you enjoy using the software :)