modified:   definition_parser.py - now handles primes - saves every machine to lexicon - get_machine() method that gets machine from lexicon, of create an   empty if not there
modified:   definition_parser.py
- now handles primes
- saves every machine to lexicon
- get_machine() method that gets machine from lexicon, of create an
  empty if not there

kornai/pymachine,recski/pymachine,recski/pymachine,Eszti/pymachine,Eszti/pymachine,kornai/pymachine