[refs #201] tests for TreeCPD
[refs #201] tests for TreeCPD

vivek425ster/pgmpy,sandeepkrjha/pgmpy,jhonatanoliveira/pgmpy,liquidmetal/pgmpy,khalibartan/pgmpy,palashahuja/pgmpy,abinashpanda/pgmpy,kris-singh/pgmpy,sandeepkrjha/pgmpy,kislayabhi/pgmpy,ankurankan/pgmpy,khalibartan/pgmpy,palashahuja/pgmpy,abinashpanda/pgmpy,pratyakshs/pgmpy,jhonatanoliveira/pgmpy,pratyakshs/pgmpy,kislayabhi/pgmpy,anaviltripathi/pgmpy,yashu-seth/pgmpy,yashu-seth/pgmpy,ankurankan/pgmpy,vivek425ster/pgmpy,kris-singh/pgmpy,pgmpy/pgmpy,anaviltripathi/pgmpy,liquidmetal/pgmpy,pgmpy/pgmpy