code: public static FastMoney ofMinor(CurrencyUnit currency, long amountMinor) {
      	return ofMinor(currency, amountMinor, currency.getDefaultFractionDigits());
      }
docs: Obtains an instance of {@code FastMoney} from an amount in minor units.
  For example, {@code ofMinor(USD, 1234)} creates the instance {@code USD 12.34}.
  @param currency  the currency, not null
  @param amountMinor  the amount of money in the minor division of the currency
  @return the monetary amount from minor units
  @see CurrencyUnit#getDefaultFractionDigits()
  @see FastMoney#ofMinor(CurrencyUnit, long, int)
  @throws NullPointerException when the currency is null
  @throws IllegalArgumentException when {@link CurrencyUnit#getDefaultFractionDigits()} is lesser than zero.
  @since 1.0.1