Changed comment again to actually be correct. This is also consistent with the draft of the definitive guide.

Modified example in DataReader usage comment to reference a DB Command function which accepts a SQL string argument.

Changed comment again to actually be correct. This is also consistent with the draft of the definitive guide.

{max} was used instead of {min} in the error message for the min validator...

Fixes #2775: Added `yii\base\Application::bootstrap` to support running bootstrap classes when starting an application

Fixes #497: Removed `\yii\log\Target::logUser` and added `\yii\log\Target::prefix` to support customizing message prefix

- readded removed file
- readded use statement to migration template

Modified example in DataReader usage comment to reference a DB Command function which accepts a SQL string argument.

Fixes #2729: Added `FilterValidator::skipOnArray` so that filters like `trim` will not fail for array inputs

Fixes #2571: Fixed the bug that batchInsert will fail for SQLite if the values contain null or boolean false;
Fixes #2683: Fixed the bug that batchInsert will fail for MySQL if the values contain boolean false.

Adds DateTimeInterface support for Formatter