Eliminated createGetFollowingPhoneme. It’s not necessary, since its params can just be folded into getFollowingPhoneme and those params can be curried if they are constant across a lot of calls.
Added `getFollowerTableForPhoneme` spec.
Renamed `getFollowerTableForPhoneme` to `getAntecedentTableForPhoneme`. Added `getNextPhoneme` and `getPrevPhoneme` descriptions.
Callbackified methods.
Specified method argument format.