If no targetCalType is passed, attempt to guess it from the file contents.
If no targetCalType is passed, attempt to guess it from the file contents.

Signed-off-by: Nicolas Cottaris <1ecff0e9e041a2fad35c4476e9a18ef36d442282@sas.upenn.edu>

DavidBrainard/OneLightToolbox,DavidBrainard/OneLightToolbox