Requires nonexistent composer package

[matsinet]

Your requirements could not be resolved to an installable set of packages.

Problem 1

• johnitvn/yii2-settings 1.0.4 requires johnitvn/yii2-ajaxcrud-assets * -> no matching package found.
• johnitvn/yii2-settings 1.0.3 requires johnitvn/yii2-ajaxcrud-assets * -> no matching package found.
• johnitvn/yii2-settings 1.0.2 requires johnitvn/yii2-ajaxcrud-assets * -> no matching package found.
• johnitvn/yii2-settings 1.0.1 requires johnitvn/yii2-ajaxcrud-assets * -> no matching package found.
• johnitvn/yii2-settings 1.0.0 requires johnitvn/yii2-ajaxcrud-assets * -> no matching package found.
• Installation request for johnitvn/yii2-settings * -> satisfiable by johnitvn/yii2-settings[1.0.0, 1.0.1, 1.0.2, 1.0.3, 1.0.4].

[matsinet]

I just created a pull request that I believe will resolve the issue.