v0.4.0

Fixes

• Fix endInterpolant not being captured (@xzyfer, #20)
• Fix tracking of token position (@xzyfer, #22)

Tests

• Add basic test coverage to interpolant tokenization (@xzyfer, #20)

Dependencies

• Replace babel-preset-es2015 with babel-preset-env (@xzyfer, #23)
• sass-spec@2.5.1 (@xzyfer, #23)
• babel-core@^6.26.3 (@xzyfer, #23)
• babel-jest@^23.6.0 (@xzyfer, #23)
• glob@^7.1.3 (@xzyfer, #23)
• jest@^23.6.0 (@xzyfer, #23)
• js-base64@^2.4.9 (@xzyfer, #23)
• source-map@^0.7.3 (@xzyfer, #23)

Misc

• TravisCI now tests all supported Node versions
• Commit package-lock.json