`yii\base\ErrorHandler::handleError()` adjusted keeping native error processing on error reporting miss match.

exclude parts that have different default values

Fixes #4697: MSSQL query builder does not work for newer MSSQL versions when LIMIT is used without ORDER BY

Fixes #4607: AR model will throw an exception if it does not have a primary key to avoid updating/deleting data massively

Updated yii.activeform.js to use the encode option introduced in #4122.
Updated ActiveForm with new option encodeErrorSummary

fixes #4690, close #4691

[ci skip]

Fixes #4586: Signed bigint and unsigned int will be converted into integers when they are loaded from DB by AR

also fixed an issue with default value loading of bool columns.

fixes #3489, fixes #4085, fixes #3920
related to #4672

fixes #4654

`$config` can now be a closure that will have the `$configInstance` passed as the first param.

updated docs.

close #4656