AI_StringRef_And_String -> AI_StringRefAndString for consistency
AI_StringRef_And_String -> AI_StringRefAndString for consistency

jedisct1/libsodium-php,paragonie/libsodium-php,paragonie/libsodium-php,paragonie/libsodium-php,jedisct1/libsodium-php,jedisct1/libsodium-php