Senparc.Ncf.Utility 0.7.0-beta6

.NET Standard 2.1

• Senparc.Ncf.Log (>= 0.7.0-beta6)
• Microsoft.AspNetCore.Html.Abstractions (>= 2.2.0)
• Microsoft.AspNetCore.Mvc (>= 2.2.0)
• Microsoft.Extensions.Caching.Memory (>= 5.0.0)
• Newtonsoft.Json (>= 12.0.1)
• Senparc.CO2NET (>= 1.5.2-preview4)