JoarcTweaks is a simple mod that is tweaking stuff for JoRailonCraft Modpack
Not much info is here, it adds compressed cobblestone and a cobble generator (not a lava water thingy, a rf thingy), and a marble and greenscreen block. Thats it. No more. It is designed for JoRailonCraft Modpack so it might not be that good for other people.