or wookie could put the c# source code up on github as well and we could all learn from his prowess...Wookie has been around long enough that you don't have to worry.
A lot of mods would have all the code in fewer dlls because they are a singular mod. This is more of a large modpack with the way the mods are put together. This makes it easier to add/remove what you want or don't want. But means each mod's changes are in separate dll files.