Implement Support for Dose Energy/Dose Function

[MicahGale]

This is the long term solution for #364. Any thoughts on priority @SterlingButters?

[SterlingButters]

@MicahGale I'd say low priority since log interpolation is default and the generally employed scheme. Just not ideal for the code to freak out when the interpolation scheme is specified. Honestly, as a temporary fix, you could just ignore the interpolation scheme and fall-back to logarithmic