Added encoding to StringHelper::byteSubst() fallback
length arg of byteSubstr is now optional
- Enh #4520: yii\caching/MemCache.php add sasl support (xjflyttp)
Merge pull request #4542 from xjflyttp/4520-cache-memcache-sasl-support

- Enh #4520: yii\caching/MemCache.php add sasl support (xjflyttp)
minor fixes [skip ci]
Refactored ActiveQuery::one() to be consistent with all() creation
Merge pull request #4543 from slavcodev/refactoring-query

Refactored ActiveQuery::one() to be consistent with all() creation
Merge branch 'master' into ismod