adds @staticmethod decorator to _check_node_string
Merge branch 'dev' of https://github.com/pgmpy/pgmpy into dev
Adds IndependenceAssertion Class
Adds IMap class
Improve docs of IMap class
Improve docs
edit doc test
improved variable names
add tests for IndependenceAssertion Class
added doc for add_factorized_product
update docs for class IMap
tests for IMap class
Merge pull request #64 from ankurankan/dev

IMap Class with tests