Each mod release includes the latest version of the manual at that time; thus, the latest version for 1.7.10 should have the same version of the manual as the latest version of 1.8 as they were released at roughly the same time.
There will be at least one more 1.7.10 release that will include the rupees and wallets.
I probably won't be doing any coding over the summer, though, since we had more than 6 months of no sunshine this winter and I'd like to take advantage of it while I can, ya know? Plus the baby and puppy need to get outside and experience the world.

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the max limit won't kill mobs if you are over it will just prevent any new ones from spawning.
Yeah, the 1.6.4 max water creature limit was bugged way too low. I set mine to 50.
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And I don't think the killall command will kill tame mobs, but I'm not 100% sure.
You are running BOP, so you should have something like surfacebiomes in your CMS config folder.
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since you are using BOP, this is in the surfacebiome folder, right? if it is the overworld folder, it won't change anything.
freq is relative, so having them all at 1 doesn't do anything for relative spawn levels
if you are having problems with too many overall, adjust the max spawn of each type in the entity spawn type cfg file.
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there are now two types of horses, vanilla and MOC, you have to breed a vanilla with a MOC horse. the default textures of the vanilla horses aren't as detailed in the eyes as the MOC horses. Some have reported issues with both types spawning in the same biome though. You may have to add MOC horses to a biome that doesn't have Vanilla horses in them to get both.
spawn rates? the lower the number the faster the spawn rate. it is the number of ticks between calls.
if you mean freqs, they are all relative so if they are all adjusted they won't change.
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achievements. follow the achievements
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yeah, break the infested wood, they are a little like silverfish.
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KILL IT WITH FIRE!
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someone needs to read the OP
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too high. max is somewhere in the 5k region.
i know this may sound crazy, but delete your open blocks config file and let it regen. it may be an internal ID conflict, as it should have said which other block it was conflicting with.
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use word pad. notepad has a nasty habit of adding formatting code to the config files and screwing them up.