Exception Handling

[kittobi1992]

Replace std::exit(-1) error with exceptions and catch them in C and Python interface.

[codecov]

Codecov Report

Merging #155 (c21bfd7) into master (b65c042) will decrease coverage by 0.02%.
Report is 1 commits behind head on master.
The diff coverage is 0.00%.

❗ Current head c21bfd7 differs from pull request most recent head 3267367. Consider uploading reports for the commit 3267367 to get more accurate results

@@            Coverage Diff             @@
##           master     #155      +/-   ##
==========================================
- Coverage   77.88%   77.86%   -0.02%     
==========================================
  Files         192      192              
  Lines       18694    18699       +5     
  Branches     7585     7589       +4     
==========================================
+ Hits        14559    14560       +1     
- Misses       4135     4139       +4     

Files Changed	Coverage Δ
mt-kahypar/datastructures/array.h	96.12% <0.00%> (ø)
...t-kahypar/datastructures/delta_partitioned_graph.h	70.64% <0.00%> (ø)
mt-kahypar/datastructures/dynamic_graph.h	83.19% <0.00%> (ø)
...t-kahypar/datastructures/dynamic_graph_factory.cpp	91.17% <0.00%> (ø)
mt-kahypar/datastructures/dynamic_hypergraph.h	84.04% <0.00%> (ø)
mt-kahypar/datastructures/graph.cpp	93.97% <0.00%> (ø)
mt-kahypar/datastructures/partitioned_hypergraph.h	87.25% <0.00%> (ø)
mt-kahypar/datastructures/static_graph.h	84.77% <0.00%> (ø)
mt-kahypar/datastructures/static_graph_factory.cpp	98.91% <0.00%> (ø)
mt-kahypar/datastructures/static_graph_factory.h	0.00% <0.00%> (ø)
... and 16 more

... and 3 files with indirect coverage changes

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