LineScan datatype changed to int
LineScan datatype changed to int
clipper added
Test suite added
Corrected typos in ImageClass.py
Merge pull request #356 from ankit-maverick/typo_correction

Corrected typos in ImageClass.py. Thanks for the help.
Merge pull request #355 from jayrambhia/linescan_datatype

Linescan datatype changed from numpy.uint8