New version of gen_rst.py supporting python3.
New version of gen_rst.py supporting python3.

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