added __eq__ method for IndependenceAssertion class
added __eq__ method for IndependenceAssertion class

liquidmetal/pgmpy,ankurankan/pgmpy,anaviltripathi/pgmpy,anaviltripathi/pgmpy,pgmpy/pgmpy,kris-singh/pgmpy,abinashpanda/pgmpy,khalibartan/pgmpy,liquidmetal/pgmpy,abinashpanda/pgmpy,sandeepkrjha/pgmpy,ankurankan/pgmpy,kris-singh/pgmpy,jhonatanoliveira/pgmpy,jhonatanoliveira/pgmpy,khalibartan/pgmpy,sandeepkrjha/pgmpy,pgmpy/pgmpy