Adds type checking and testing for polycals
OPTAA tscor wavelength range extension
Merge pull request #163 from desiderr/tscorfix

CIDEVMI-1069: OPTAA tscor wavelength range extension
Code cleanup
Code cleanup and commenting for polycals
Code cleanup for spike
Code cleanup of gradient
Merge pull request #165 from lukecampbell/cals

Polycals testing and Code Cleanup
Edits based on DPS author inputs
Merge pull request #166 from cwingard/phsen

CIDEVMI-1037 Edits PHWATER based on DPS author inputs