chore(release): 1.6.9 [skip ci]

## [1.6.9](iamkun/dayjs@v1.6.8...v1.6.9) (2018-06-14)

### Bug Fixes

* add isDayjs => boolean API ([6227c8b](iamkun@6227c8b))

chore(release): 1.6.8 [skip ci]

## [1.6.8](iamkun/dayjs@v1.6.7...v1.6.8) (2018-06-14)

### Bug Fixes

* fix  Advanced format bug in zh-cn ([0c07874](iamkun@0c07874)), closes [iamkun#242](iamkun#242)

chore(release): 1.6.7 [skip ci]

## [1.6.7](iamkun/dayjs@v1.6.6...v1.6.7) (2018-06-11)

### Bug Fixes

* fix id locale ([1ebbeb8](iamkun@1ebbeb8)), closes [iamkun#234](iamkun#234)

chore(release): 1.6.6 [skip ci]

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## [1.6.6](iamkun/dayjs@v1.6.5...v1.6.6) (2018-06-06)

### Bug Fixes

*  format API update and locale file update ([5ca48f0](iamkun@5ca48f0)), closes [iamkun#228](iamkun#228)

chore(release): 1.6.5 [skip ci]

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## [1.6.5](iamkun/dayjs@v1.6.4...v1.6.5) (2018-05-31)

### Bug Fixes

* bugfix, utils update and  locale file update ([ebcb6d5](iamkun@ebcb6d5)), closes [iamkun#214](iamkun#214)

chore(release): 1.6.4 [skip ci]

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## [1.6.4](iamkun/dayjs@v1.6.3...v1.6.4) (2018-05-25)

### Bug Fixes

* add RelativeTime plugin and locale file update ([c1fbbca](iamkun@c1fbbca)), closes [iamkun#198](iamkun#198)

chore(release): 1.6.3 [skip ci]

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## [1.6.3](iamkun/dayjs@v1.6.2...v1.6.3) (2018-05-21)

### Bug Fixes

* Changing locales locally is immutable from this release ([2cce729](iamkun@2cce729)), closes [iamkun#182](iamkun#182)
* instance locale change should be immutable ([84597c9](iamkun@84597c9))

chore(release): 1.6.2 [skip ci]

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## [1.6.2](iamkun/dayjs@v1.6.1...v1.6.2) (2018-05-18)

### Bug Fixes

* change-log update && test new npm release ([aa49cba](iamkun@aa49cba)), closes [iamkun#163](iamkun#163)

chore(release): 1.6.1 [skip ci]

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## [1.6.1](iamkun/dayjs@v1.6.0...v1.6.1) (2018-05-18)

### Bug Fixes

* add() & parse() bug fix & add locale de, pt-br ([bf1331e](iamkun@bf1331e))

chore(release): 1.6.0 [skip ci]

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# [1.6.0](iamkun/dayjs@v1.5.24...v1.6.0) (2018-05-15)

### Features

* Locale && Plugin ([2342c55](iamkun@2342c55)), closes [iamkun#141](iamkun#141)