Pasto in sodium_crypto_sign_publickey_from_secretkey exception description
Pasto in sodium_crypto_sign_publickey_from_secretkey exception description

Fixes #121

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