- need the units in namespace CLHEP

 - including necessary build macro etc

Geant4InputHandling: create G4PrimaryParticle with 4 vector that constrains also the mass, setting the mass after, affects the momentum

this worked accidentally in python2, but now the dictionary order is fixed and isotrop was set to false when parsing the default values, because it happens after the setting of distribution now

  - prepend namespace CLHEP where missing