If you build something like this:

The game crashes a few frames after flipping the lever, just when the water reaches the chest. When trying to load the world again after restarting Minecraft, it will crash instanly, effectively destroying the world. It also works when replacing the chest with anything that can store items (tested with Storage Drawer's drawer). This can only be fixed by removing the structure using MCEdit or something similar.

Fluid support in Charset is useless. I'll try to look into it soon, but it is disabled completely in 1.11+ for a reason.

Ok, I hope to see it working again sometimes soon-ish :D

Just as a sidenote: In 1.10.2, for fluids, you need to explicitly shift them around - they won't auto-route.