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	* Updates/bugfixes for NER/IOB converters
* Converter formats `ner` and `iob` use autodetect to choose a converter if
  possible
* `iob2json` is reverted to handle sentence-per-line data like
  `word1|pos1|ent1 word2|pos2|ent2`
  * Fix bug in `merge_sentences()` so the second sentence in each batch isn't
    skipped
* `conll_ner2json` is made more general so it can handle more formats with
  whitespace-separated columns
  * Supports all formats where the first column is the token and the final
    column is the IOB tag; if present, the second column is the POS tag
  * As in CoNLL 2003 NER, blank lines separate sentences, `-DOCSTART- -X- O O`
    separates documents
  * Add option for segmenting sentences (new flag `-s`)
  * Parser-based sentence segmentation with a provided model, otherwise with
    sentencizer (new option `-b` to specify model)
  * Can group sentences into documents with `n_sents` as long as sentence
    segmentation is available
  * Only applies automatic segmentation when there are no existing delimiters
    in the data
* Provide info about settings applied during conversion with warnings and
  suggestions if settings conflict or might not be not optimal.
* Add tests for common formats
* Add '(default)' back to docs for -c auto
* Add document count back to output
* Revert changes to converter output message
* Use explicit tabs in convert CLI test data
* Adjust/add messages for n_sents=1 default
* Add sample NER data to training examples
* Update README
* Add links in docs to example NER data
* Define msg within converters
		
	
			
		
			
				
	
	
		
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| -DOCSTART- -X- O O
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| 
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| When WRB _ O
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| Sebastian NNP _ B-PERSON
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| Thrun NNP _ I-PERSON
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| started VBD _ O
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| working VBG _ O
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| on IN _ O
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| self NN _ O
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| - HYPH _ O
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| driving VBG _ O
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| cars NNS _ O
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| at IN _ O
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| Google NNP _ B-ORG
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| in IN _ O
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| 2007 CD _ B-DATE
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| , , _ O
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| few JJ _ O
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| people NNS _ O
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| outside RB _ O
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| of IN _ O
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| the DT _ O
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| company NN _ O
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| took VBD _ O
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| him PRP _ O
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| seriously RB _ O
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| . . _ O
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| 
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| “ '' _ O
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| I PRP _ O
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| can MD _ O
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| tell VB _ O
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| you PRP _ O
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| very RB _ O
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| senior JJ _ O
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| CEOs NNS _ O
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| of IN _ O
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| major JJ _ O
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| American JJ _ B-NORP
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| car NN _ O
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| companies NNS _ O
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| would MD _ O
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| shake VB _ O
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| my PRP$ _ O
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| hand NN _ O
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| and CC _ O
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| turn VB _ O
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| away RB _ O
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| because IN _ O
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| I PRP _ O
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| was VBD _ O
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| n’t RB _ O
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| worth JJ _ O
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| talking VBG _ O
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| to IN _ O
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| , , _ O
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| ” '' _ O
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| said VBD _ O
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| Thrun NNP _ B-PERSON
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| , , _ O
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| in IN _ O
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| an DT _ O
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| interview NN _ O
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| with IN _ O
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| Recode NNP _ B-ORG
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| earlier RBR _ B-DATE
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| this DT _ I-DATE
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| week NN _ I-DATE
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| . . _ O
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| 
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