some manifest changes for setup sdist
some manifest changes for setup sdist

Nairolf21/pycparser,dubslow/pycparser,dementrock/pycparser,fjalex/pycparser,sideeffects/pycparser,bowlofstew/pycparser,strazzere/py010parser,sideeffects/pycparser,keulraesik/pycparser,keulraesik/pycparser,kk1987/pycparser,kk1987/pycparser,fjalex/pycparser,Nairolf21/pycparser,CtheSky/pycparser,bowlofstew/pycparser,dubslow/pycparser,CtheSky/pycparser,dementrock/pycparser,jorik041/pycparser,sideeffects/pycparser,dementrock/pycparser,bowlofstew/pycparser,jorik041/pycparser,keulraesik/pycparser,sideeffects/pycparser,jorik041/pycparser,kk1987/pycparser,Nairolf21/pycparser,dubslow/pycparser,fjalex/pycparser,CtheSky/pycparser,strazzere/py010parser