[D] Calculator
[D] Currencies
[D] Exception
[D] Exchange
[D] Formatter
[D] Parser
[D] PHPUnit
[F] Calculator.php
[F] Converter.php
[F] Currencies.php
[F] Currency.php
[F] CurrencyPair.php
[F] Exception.php
[F] Exchange.php
[F] Money.php
[F] MoneyFactory.php
[F] MoneyFormatter.php
[F] MoneyParser.php
[F] Number.php
[F] Teller.php