modified:   code.py
- round implementation finished with long, readable and not optimized
  code (it could be one formula instead of 5-6 lines!)
modified:   code.py
implemented AbstractCode.code() with floating point underflow/accuracy
handling
modified:   code.py
comment added to my_round()
modified:   automaton.py
- code.representer() call instead of code.quantize()
modified:   code.py
- added main(), that will cover create_code.py's functionality
modified:   create_code.py
-removed main