Adding a class that converts curve nodes to InstrumentDefinitions
Adding constructors that don't need Generators
Adding delta for FX options
Adding properties in the second getResults() method for FX options and adding defaults for AUDJPY and JPYKRW
Tidying up FX option functions
Tidying up FX forward functions
Finishing FX Black function refactor
Finishing off work on FX forward functions
Finishing work on FX digital options
Finishing work on FX options