.net 4.0 and   #pragma warning disable 618

HI ! Brevitee.Net 3.1.2 is good job , but i found some trouble , 
1st, I  install it from nuget, but  can't using in  .net 4.0 , i hope make it work !
2nd, at last , I disable 618 .! 
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https://www.nuget.org/packages/Brevitee.Net/