add method findOne() to the Collection class
add method findOne() to the Collection class


MysteryDragon/yii2-mongodb,yiijan/yii2-mongodb,klimov-paul/yii2-mongodb,yiisoft/yii2-mongodb,MysteryDragon/yii2-mongodb,ptrnov/yii2-mongodb,yiijan/yii2-mongodb,squio/yii2-mongodb,ptrnov/yii2-mongodb,pana1990/yii2-mongodb,yiichina/yii2-mongodb,squio/yii2-mongodb,klimov-paul/yii2-mongodb,pana1990/yii2-mongodb,yiichina/yii2-mongodb