Changed Object load and save from bool to void.

src/Benchmarks/DistSpMV/tnl-benchmark-distributed-spmv.h

...nchmarks/HeatEquation/HeatEquationBenchmarkProblem_impl.h

src/Benchmarks/LinearSolvers/tnl-benchmark-linear-solvers.h

src/Examples/flow-sw/navierStokesProblem_impl.h

src/Examples/flow-vl/navierStokesProblem_impl.h

src/Examples/flow/navierStokesProblem_impl.h

src/Examples/inviscid-flow-sw/eulerProblem_impl.h

src/Examples/inviscid-flow-vl/eulerProblem_impl.h

src/Examples/inviscid-flow/eulerProblem_impl.h

...les/transport-equation/transportEquationProblemEoc_impl.h

...amples/transport-equation/transportEquationProblem_impl.h

src/TNL/Containers/Array.h

src/TNL/Containers/Array_impl.h

src/TNL/Containers/MultiVector.h

src/TNL/Containers/MultiVector1D_impl.h

src/TNL/Containers/MultiVector2D_impl.h

src/TNL/Containers/MultiVector3D_impl.h

src/TNL/Containers/MultiVector4D_impl.h

src/TNL/Containers/Multimaps/EllpackIndexMultimap.h

src/TNL/Containers/Multimaps/EllpackIndexMultimap_impl.h