Listen to sceCccSetErrorChar*(), not used yet.
Make sceCccDecode*() work.
Implement sceCccStrlen*().
Implement sceCccEncode*().
Implement the ucs/jis table lookup.

Not actually converting strings yet.
Implement the sceCcc charset conversions.
Add basic stubs for sceCccIsValid*().
Merge pull request #2869 from unknownbrackets/ccc

Implement the majority of functions in sceCcc