Added method print to Segments for better use with output streams.

...Algorithms/Segments/SegmentsExample_CSR_constructor_1.cpp

...Algorithms/Segments/SegmentsExample_CSR_constructor_2.cpp

...s/Algorithms/Segments/SegmentsExample_CSR_forElements.cpp

...s/Algorithms/Segments/SegmentsExample_CSR_forSegments.cpp

.../Examples/Algorithms/Segments/SegmentsExample_General.cpp

...mples/Algorithms/Segments/SegmentsExample_forElements.cpp

...les/Algorithms/Segments/SegmentsExample_forSegments-1.cpp

...les/Algorithms/Segments/SegmentsExample_forSegments-2.cpp

...es/Algorithms/Segments/SegmentsExample_reduceSegments.cpp

...xamples/Algorithms/Segments/SegmentsPrintingExample-2.cpp

src/TNL/Algorithms/Segments/BiEllpack.h

src/TNL/Algorithms/Segments/BiEllpack.hpp

src/TNL/Algorithms/Segments/BiEllpackView.h

src/TNL/Algorithms/Segments/BiEllpackView.hpp

src/TNL/Algorithms/Segments/CSR.h

src/TNL/Algorithms/Segments/CSR.hpp

src/TNL/Algorithms/Segments/CSRView.h

src/TNL/Algorithms/Segments/CSRView.hpp

src/TNL/Algorithms/Segments/ChunkedEllpack.h

src/TNL/Algorithms/Segments/ChunkedEllpack.hpp