fixed typo in comment
build of test projects fixed: retargeted to .net 4.5
Merge pull request #22 from VladimirLevchuk/feature/mixin-typed-access

typed access for mixins implemented
Merge pull request #21 from VladimirLevchuk/feature/DataType-sync-v7

This fixes spopovic/uSiteBuilder#15
Merge branch 'master' into creuna-nuget