-python ource code for the function split_curve as defined in the pathPoint file included;
-unittest Test_cases for this function using the display functions as provided in the test file included.
the test cases shall take into consideration the following cases :
for arc; rotation angles 33, 90, 139, 180, 200, 270, 300, 360 degrees.
each of these angles with the 4 possible cases for flags sweep and large