Make CharCharMap match the previous API more closely.
Make CharCharMap match the previous API more closely.

I had forgotten that SquidLib actually uses CharCharMap, though not for much, and so a few names can be changed back to what they were to improve compatibility. On the plus side, some workarounds in SquidLib for a bug in the old CharCharMap.clone() can be removed.

tommyettinger/RegExodus,tommyettinger/RegExodus