swig[NF] refactor extraction of subclasses, and add samplers and priors
swig[NF] refactor extraction of subclasses, and add samplers and priors

esc/Psignifit-3.x,esc/Psignifit-3.x,esc/Psignifit-3.x,esc/Psignifit-3.x,esc/Psignifit-3.x,esc/Psignifit-3.x