[PLAT-4020] Refactoring FX forward points base function and added PV function
[PLAT-4299] Adding a currency exposure function
[PLAT-4300] Adding a function that calculates sensitivities to the forward points curve
[PLAT-4301] Adding a function that calculates sensitivities to yield curves
[PLAT-4301], [PLAT-4300], [PLAT-4299], [PLAT-4020] Adding new functions to the repository
[PLAT-4301], [PLAT-4300], [PLAT-4299], [PLAT-4020] Adding new functions to the repository
[PLAT-4302] First pass at a function that produces issuer curves