Added price distance in pips function.
GetCurrencyFromName method is now public.
Created UTs.
Implemented getOrderSpecificationFromOrder method and UTs.
Added PlatformData class for a central data and constraints place of
Dukascopy's platform.
Corrected wrong default slippage price and adapted UTs.
Replaced two magic numbers with platform data.
Changed amount conversion policy when history returns invalid price.
Amount is now unchanged.
Fixed typo.
Replaced local constants with those from PlatformData.
Fixed missing references to platform data.
Added invalid price constant to platform data and adapted UTs.
Common test amount data for UTS created.