Fix pokedex dump -l argument error (#295)

[rluzuriaga]

pokedex/main.py -

create_parser() -

• Change the help message for the langs argument in the dump subparser to show the actual default and state that the 'all' and 'none' codes cannot be used alongside other codes.

  command_dump() -

  • Check if 'all' or 'none' codes are passed alongside other codes. If they are, error message is printed and program ends.

    pokedex/db/load.py -

    dump() -

  • Add check if langs code is 'all' or 'none'.
  • If langs wasn't passed to the parser or 'all' was passed (they are the same since the default is 'all'), then everything will get dumped to the csv files.

  • If 'none' was passed to the parser, then nothing new should be dumped to the csv files.

    pokexed/.travis.yml -

  • Re-added 'pokedex dump -l all' that was previously remove on 77e3d9df163ac602d5c939cee75750f8be0dc725

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Resolves: #295

[rluzuriaga]

@magical Any update on this PR? I know it is failing the Travis CI build but that's only because the original dump command was giving the wrong result (which is what this PR fixes) so the git --no-pager diff --exit-code pokedex/data/csv/ script is what is failing.

[magical]

@rluzuriaga Sorry. Thanks for the reminder. I'll take a look.

It seems to be failing because it is dumping the Czech translations where it wasn't before. Hmm. I do still want to test dump -l all but maybe we should follow that with a normal dump so that the diff test works.