updated the documentation. Change the algorithm in a way that you should pass the hypergraph to each function of it
added the test file
Merge branch 'master' into yaserkl
Refactored and cleaned undirected hypergraph partitioning-related functions.
Modified documentation and fixed pep8 issues; also modified iterators in undirected hypergraph class.
Changed some properties of the undirected cuts and random walks, and made small skeleton for undirected_partitioning tests.
Minor changes to the undirected partitioning module and related files.
Minor changes to directed paths + tests
Replaced all occurrences of variables named 'hypergraph' with 'H' for brevity; its my new naming rule.
Merge branch 'master' of https://github.com/tmmurali/hypergraph