[pybindings] get rid of extra underscore in version: allow to specify SCM version like 'rc1+hash' to conform PEP-440
[pybindings] get rid of extra underscore in version: allow to specify SCM version like 'rc1+hash' to conform PEP-440

milchakov/omim,mapsme/omim,darina/omim,milchakov/omim,mpimenov/omim,darina/omim,mapsme/omim,mpimenov/omim,darina/omim,darina/omim,mpimenov/omim,mpimenov/omim,mpimenov/omim,mpimenov/omim,milchakov/omim,darina/omim,milchakov/omim,mpimenov/omim,mapsme/omim,darina/omim,mapsme/omim,milchakov/omim,mpimenov/omim,mpimenov/omim,mpimenov/omim,mpimenov/omim,darina/omim,mapsme/omim,milchakov/omim,mpimenov/omim,mapsme/omim,mapsme/omim,milchakov/omim,milchakov/omim,darina/omim,milchakov/omim,mapsme/omim,mapsme/omim,milchakov/omim,milchakov/omim,darina/omim,darina/omim,mapsme/omim,mapsme/omim,mapsme/omim,mpimenov/omim,mapsme/omim,milchakov/omim,darina/omim,darina/omim,milchakov/omim,darina/omim