Adds correct name for import method
Merge branch 'import-funtionality' of github.com:stevenjack/heckscher into import-funtionality

* 'import-funtionality' of github.com:stevenjack/heckscher:
  move read to reader
  remove io_stream
  add dummy import/export methods on module
  add read class
Fleshes out import command