Your comments

Declining due to being a duplicate of the level editor request.
Declining due to being a duplicate of another request.
Good idea. I will implement this.
I need to rework some of the audio. Limiting number of simultaneous sounds is on the list.
I do need to provide some stats in the editor... namely number of pieces, but some of this data might be interesting to add as well. I'll think it over.
With -11 votes, it doesn't seem to be an issue for many people. I'm going to put this on the back burner unless more people feel I need to address it.
This is something I am seriously considering. This is a pretty massive undertaking, and I would need to solve some technical challenges.... but I am thinking it thru.
I am considering this, but I am trying to see other reasons for pistons other than jumping. Controllable rockets can fill the same function. What other things would you use the pistons for?