ExistValidator bugfix
Tests excess dump removed
ExistValidator::validateValue() fixed
Merge PR #3421 branch 'migrate-command-enhancement' of https://github.com/creocoder/yii2

* 'migrate-command-enhancement' of https://github.com/creocoder/yii2:
  MigrateController refactoring
  CHANGELOG fixed
  Comments updated
  CHANGELOG updated
  MigrateCommand enhancement. `all` option added for `down` action.

Conflicts:
	framework/CHANGELOG.md
Fixes #3469: Fixed the bug that `QueryBuilder::getColumnType()` may drop the provided column precision in certain cases
New tests added
New tests added
Fixed test break.
Revert "Fixed test break."

This reverts commit 70b57766b1577f1927c63f5a181f02cf00281214.
Revert "Fixes #3469: Fixed the bug that `QueryBuilder::getColumnType()` may drop the provided column precision in certain cases"

This reverts commit a46efe79c6a306131b2fb8b53d4941a5f1b67ef3.
ExistValidator final refactoring. `allowArray` checking also added to `validateValue` method.
simple fix #3461

without check
Control checkbox in the preview window.
fix #3478

it correct work with integer keys of list
Update QueryBuilder.php

solution used **heukirne** for the names of columns.
Merge pull request #3477 from thiagotalma/gii-checkbox

Control checkbox in the preview window.
Merge pull request #3476 from lynicidn/patch-2

simple fix #3461
Merge PR #3406 branch 'exist-validator-enhancement' of https://github.com/creocoder/yii2

* 'exist-validator-enhancement' of https://github.com/creocoder/yii2:
  ExistValidator final refactoring. `allowArray` checking also added to `validateValue` method.
  New tests added
  New tests added
  ExistValidator::validateValue() fixed
  Tests excess dump removed
  ExistValidator bugfix
  Tests updated
  ExistValidator refactoring
  CHANGELOG updated
  `allowArray` introduced.
  CHANGELOG
  ExistValidator count logic fix
  Tests updated
  Tests updated
  Tests updated
  Refactoring
  Refactoring
  Improve `exist` validator to support array attributes

Conflicts:
	framework/CHANGELOG.md
add Korean Language Translation
Update yii.php