create Coordinates class, issue #78
create tests for Coordinates class, issue #78
return number of Coordinate instances, issue #78
add test for initial situation, issue #78
add TODO
add new lines
add tests for initial getPolarCoordinate and getCartesianCoordinate
add toArray method
make constants public
add test for adding a coordinate with polar coordinates, issue #78
wrap long line
add test for adding a coordinate with Cartesian coordinates, issue #78
add test for adding a coordinate with Coordinate instance, issue #78
add test for adding multiple coordinates, issue #78
add test for empty coordinate, issue #78
add toPath and toLinesArray methods, issue #78
use constant for number of coordinates to draw a line.
implement toLinesArray, issue #78
simplify code, issue #78
check if iterator exists