Fix potential bugs

Merge pull request #158 from ikawaha/develop

Release candidate

Refactoring

Merge pull request #153 from ikawaha/develop

Release candidate

Add dockerfile and print command version

Features:

• Add version printing to kagome command #149 by @KEINOS
• Add dockerfile #149 by @KEINOS

Fixs:

• Fix directory name typo
• Add docker usages #151 (comment) by @KEINOS
• some refactoring

Thanks @KEINOS !

Apply a patch to kagome dictionary to properly handle Japanese new era '令和' (REIWA)

A new era '令和' has been added to the dictionary following the lucene kuromoji fix.
[LUCENE-8752] https://issues.apache.org/jira/browse/LUCENE-8752

• #143 Add POS label to lattice node
• #145 Add new era '令和'

Fix to return copied features

Merge pull request #141 from ikawaha/fix/features_20190215

Fix to return copied featurese

Fix bugs

Merge pull request #138 from ikawaha/develop

Fix bugs

Fix missing contributions

Sorry, I carelessly squashed the commitment of the AnnieZhou08's contribution.

Exposed new Tokenizer constructor that loads dictionary from custom path

v1.8.0

 Exposed new Tokenizer constructor that loads dictionary from custom …

Fix a bug of appengine settings

v1.7.4

Remove unused settings for appengine (#125)

Fix misspellings, etc

Merge pull request #122 from ikawaha/ikawaha-patch-1

Update .travis.yml