Having issues reading ic5146 into program.

Sometimes it fails immediately, other times it fails around 70% done..
Added a method in getData() to remove nan values..
Fixed x-y axis flip! Remember it's arr[y, x (, t)]!
Added some figures and changed another coord issue
Merge pull request #7 from Schudel888/master

Accounted for NaNs in images and corrected x/y mixups.