1 - I'm not going to respond to this.
2 - I don't know what you mean. What do you mean by "the voxcommands window". If you mean the tree editor there is a File > Save All option, or you can press Ctrl-S to save the current tree. If you mean some other window, what is it that you want to save?
3 - Yes it is. Look at the buttons at the bottom.
4 - Not going to happen.