chore(release): 5.1.1 [skip ci]

## [5.1.1](v5.1.0...v5.1.1) (2019-11-12)

### Bug Fixes

* fix function "calcMaxWidth" ([5d80431](5d80431))

chore(release): 5.1.0 [skip ci]

# [5.1.0](v5.0.4...v5.1.0) (2019-11-12)

### Features

* add ratios ([12940bb](12940bb))

chore(release): 5.0.4 [skip ci]

## [5.0.4](v5.0.3...v5.0.4) (2019-10-13)

### Bug Fixes

* add export default for plugin ([6f01227](6f01227))
* fix path for plugin ([b04929c](b04929c))

chore(release): 5.0.3 [skip ci]

## [5.0.3](v5.0.2...v5.0.3) (2019-07-29)

### Bug Fixes

* fix function "makeRootProp" ([52c9c83](52c9c83))
* fix regExp NOT_BREAKPOINT_NAMES ([aa20921](aa20921))
* fix validation for breakpoint names ([d35692f](d35692f))

fix(readme): fix readme

fix(root): fixed the step assignment bug

without media expressions

refactor: fully refactoring

BREAKING CHANGE: fully refactoring

build(package.json): update package.json

BREAKING CHANGE: fully refactoring

4.0.0-pre

Merge branch 'develop'