Added NetworkX conversion functionality + corresponding tests.
Added some more statistics functions + associated tests.
implemented k-shortest hyperpaths algorithm
added function to obtain hyperpath from predecessor function
modified iterator functions and added function to check if hypergraph is B-hypergraph
added test for get_hyperpath_from_predecessors
tests for k-shortest hyperpaths module
Modified documentation and code formatting; added additional test case.
Added quick accessors to check if a hypergraph is an F-hypergraph of a BF-hypergraph + corresponding tests.
Merge branch 'master' into yaserkl
Refactored and cleaned undirected hypergraph partitioning-related functions.