This mod have some features I'd like to have, and some I don't, all fused into one package for no real reason. It would be better to split it into recipe-changing mod, evolution-pollution changing mod, and concrete-close-to-water mod.

I understand where you're coming from. I would like to make it so each feature could be independently enabled or disabled. But the only way (I know of) to do so would be to release every single tweak as its own mod and maintain 20 more mods instead of just 1. This would mean 20 times as much work for me for tweaks that are smaller than five lines of code each.

I considered adding a configuration script, however that would mean forcing users to unzip the mod and edit a file with a text editor, which would be terrible.

I'm hoping that a near-future version of Factorio will let mods add their own pages into the options menu or something. I don't know what else can be done about it.

Thanks for making a config file after all. Just takes a couple of minutes. No problem for me.