diff --git a/paket.dependencies b/paket.dependencies
index db9e8dc2..f87b1ee0 100644
--- a/paket.dependencies
+++ b/paket.dependencies
@@ -14,6 +14,37 @@ nuget System.Runtime.Serialization.Primitives framework:netstandard1.3,netstanda
 nuget System.Runtime.Serialization.Formatters framework:netstandard1.3,netstandard1.6,netcoreapp1.1
 nuget System.Security.Cryptography.Algorithms framework:netstandard1.3,netstandard1.6,netcoreapp1.1
 
+// why?
+nuget runtime.ubuntu.16.10-x64.Microsoft.NETCore.DotNetHostPolicy
+nuget runtime.ubuntu.16.10-x64.Microsoft.NETCore.Runtime.CoreCLR
+nuget runtime.ubuntu.16.10-x64.Microsoft.NETCore.DotNetHostResolver
+nuget runtime.ubuntu.16.10-x64.Microsoft.NETCore.Jit
+nuget runtime.ubuntu.16.10-x64.Microsoft.NETCore.DotNetHost
+nuget runtime.win7-x64.Microsoft.NETCore.DotNetHostPolicy
+nuget runtime.win7-x64.Microsoft.NETCore.Runtime.CoreCLR
+nuget runtime.win7-x64.Microsoft.NETCore.DotNetHostResolver
+nuget runtime.win7-x64.Microsoft.NETCore.Jit
+nuget runtime.win7-x64.Microsoft.NETCore.Windows.ApiSets
+nuget runtime.win7-x64.Microsoft.NETCore.DotNetHost
+nuget runtime.win7-x86.Microsoft.NETCore.DotNetHostPolicy
+nuget runtime.win7-x86.Microsoft.NETCore.Runtime.CoreCLR
+nuget runtime.win7-x86.Microsoft.NETCore.DotNetHostResolver
+nuget runtime.win7-x86.Microsoft.NETCore.Jit
+nuget runtime.win7-x86.Microsoft.NETCore.Windows.ApiSets
+nuget runtime.win7-x86.Microsoft.NETCore.DotNetHost
+nuget runtime.linux-x64.Microsoft.NETCore.App
+nuget runtime.linux-x64.Microsoft.NETCore.DotNetHostPolicy
+nuget runtime.linux-x64.Microsoft.NETCore.DotNetHostResolver
+nuget runtime.linux-x64.Microsoft.NETCore.DotNetAppHost
+nuget runtime.win-x64.Microsoft.NETCore.App
+nuget runtime.win-x64.Microsoft.NETCore.DotNetHostPolicy
+nuget runtime.win-x64.Microsoft.NETCore.DotNetHostResolver
+nuget runtime.win-x64.Microsoft.NETCore.DotNetAppHost
+nuget runtime.win-x86.Microsoft.NETCore.App
+nuget runtime.win-x86.Microsoft.NETCore.DotNetHostPolicy
+nuget runtime.win-x86.Microsoft.NETCore.DotNetHostResolver
+nuget runtime.win-x86.Microsoft.NETCore.DotNetAppHost
+
 group Build
     source https://www.nuget.org/api/v2
     nuget FAKE ~> 4.1
diff --git a/paket.lock b/paket.lock
index bb82875a..502c5d65 100644
--- a/paket.lock
+++ b/paket.lock
@@ -30,6 +30,10 @@ NUGET
       FSharp.Core (>= 4.1) - restriction: >= netstandard1.6
       NETStandard.Library (>= 1.6) - restriction: >= netstandard1.6
       NUnit (>= 3.6)
+    Microsoft.NETCore.DotNetAppHost (2.0.4)
+    Microsoft.NETCore.DotNetHost (2.0.4)
+    Microsoft.NETCore.DotNetHostResolver (2.0.4)
+      Microsoft.NETCore.DotNetAppHost (>= 2.0.4)
     Microsoft.NETCore.Platforms (2.0.1) - restriction: || (&& (== net45) (>= monotouch)) (&& (== net45) (>= netstandard1.6)) (&& (== net45) (>= xamarinios)) (&& (== net45) (>= xamarinmac)) (&& (== net45) (>= xamarintvos)) (&& (== net45) (>= xamarinwatchos)) (== netcoreapp1.1) (&& (== netcoreapp2.0) (< netstandard1.3)) (&& (== netcoreapp2.0) (< netstandard1.4)) (&& (== netcoreapp2.0) (< netstandard1.5)) (&& (== netcoreapp2.0) (< netstandard1.6)) (&& (== netcoreapp2.0) (< netstandard2.0)) (&& (== netcoreapp2.0) (< portable-net45+win8+wpa81)) (&& (== netcoreapp2.0) (< portable-net451+win81+wpa81)) (&& (== netcoreapp2.0) (>= uap10.0)) (== netstandard1.3) (== netstandard1.6) (&& (< monoandroid) (< net45) (< netstandard1.2) (>= netstandard1.6)) (&& (< monoandroid) (< net45) (< netstandard1.3) (>= netstandard1.6)) (&& (< monoandroid) (< net45) (< netstandard1.5) (>= netstandard1.6)) (&& (< monoandroid) (< netstandard1.1) (>= netstandard1.6)) (&& (< monotouch) (< net45) (>= netstandard1.6) (< xamarinios) (< xamarinmac) (< xamarintvos) (< xamarinwatchos)) (&& (< net45) (>= netstandard1.6) (< portable-net451+win81+wpa81)) (>= netcoreapp2.0) (&& (>= netstandard1.6) (< portable-net45+win8+wp8+wpa81)) (&& (>= netstandard1.6) (< portable-net45+win8+wpa81))
     Microsoft.NETCore.Targets (2.0) - restriction: || (&& (== net45) (>= net46) (>= netstandard1.6)) (&& (== net45) (>= netstandard1.6) (>= uap10.0)) (== netcoreapp1.1) (&& (== netcoreapp2.0) (< netstandard1.1)) (&& (== netcoreapp2.0) (< netstandard1.2)) (&& (== netcoreapp2.0) (< netstandard1.3)) (&& (== netcoreapp2.0) (< netstandard1.4)) (&& (== netcoreapp2.0) (< netstandard1.5)) (&& (== netcoreapp2.0) (< netstandard1.6)) (&& (== netcoreapp2.0) (< netstandard2.0)) (&& (== netcoreapp2.0) (< portable-net45+win8+wp8+wpa81)) (&& (== netcoreapp2.0) (< portable-net45+win8+wpa81)) (&& (== netcoreapp2.0) (< portable-net451+win81+wpa81)) (&& (== netcoreapp2.0) (>= uap10.0)) (== netstandard1.3) (== netstandard1.6) (&& (< monoandroid) (< net45) (< netstandard1.2) (>= netstandard1.6)) (&& (< monoandroid) (< net45) (< netstandard1.3) (>= netstandard1.6)) (&& (< monoandroid) (< net45) (< netstandard1.5) (>= netstandard1.6)) (&& (< monoandroid) (< netstandard1.1) (>= netstandard1.6)) (&& (< monotouch) (< net45) (>= netstandard1.6) (< xamarinios) (< xamarinmac) (< xamarintvos) (< xamarinwatchos)) (&& (< net45) (>= netstandard1.6) (< portable-net451+win81+wpa81)) (&& (>= netstandard1.6) (< portable-net45+win8+wp8+wpa81)) (&& (>= netstandard1.6) (< portable-net45+win8+wpa81))
     Microsoft.Win32.Primitives (4.3) - restriction: || (&& (== net45) (>= net46) (>= netstandard1.6)) (&& (== net45) (>= netstandard1.6) (>= uap10.0)) (== netcoreapp1.1) (&& (== netcoreapp2.0) (< netstandard1.4)) (&& (== netcoreapp2.0) (< netstandard1.5)) (&& (== netcoreapp2.0) (< netstandard1.6)) (&& (== netcoreapp2.0) (< netstandard2.0)) (&& (== netcoreapp2.0) (>= uap10.0))
@@ -93,6 +97,12 @@ NUGET
     runtime.debian.8-x64.runtime.native.System.Security.Cryptography.OpenSsl (4.3.2) - restriction: || (&& (== net45) (>= netstandard1.6) (>= uap10.0)) (== netcoreapp1.1) (&& (== netcoreapp2.0) (< netstandard1.3)) (&& (== netcoreapp2.0) (< netstandard1.4)) (&& (== netcoreapp2.0) (< netstandard1.5)) (&& (== netcoreapp2.0) (< netstandard1.6)) (&& (== netcoreapp2.0) (< netstandard2.0)) (&& (== netcoreapp2.0) (< portable-net451+win81+wpa81)) (&& (== netcoreapp2.0) (>= uap10.0)) (&& (== netstandard1.3) (>= netstandard1.6)) (== netstandard1.6) (&& (< monotouch) (< net45) (>= netstandard1.6) (< xamarinios) (< xamarinmac) (< xamarintvos) (< xamarinwatchos)) (&& (>= netstandard1.6) (< portable-net45+win8+wp8+wpa81))
     runtime.fedora.23-x64.runtime.native.System.Security.Cryptography.OpenSsl (4.3.2) - restriction: || (&& (== net45) (>= netstandard1.6) (>= uap10.0)) (== netcoreapp1.1) (&& (== netcoreapp2.0) (< netstandard1.3)) (&& (== netcoreapp2.0) (< netstandard1.4)) (&& (== netcoreapp2.0) (< netstandard1.5)) (&& (== netcoreapp2.0) (< netstandard1.6)) (&& (== netcoreapp2.0) (< netstandard2.0)) (&& (== netcoreapp2.0) (< portable-net451+win81+wpa81)) (&& (== netcoreapp2.0) (>= uap10.0)) (&& (== netstandard1.3) (>= netstandard1.6)) (== netstandard1.6) (&& (< monotouch) (< net45) (>= netstandard1.6) (< xamarinios) (< xamarinmac) (< xamarintvos) (< xamarinwatchos)) (&& (>= netstandard1.6) (< portable-net45+win8+wp8+wpa81))
     runtime.fedora.24-x64.runtime.native.System.Security.Cryptography.OpenSsl (4.3.2) - restriction: || (&& (== net45) (>= netstandard1.6) (>= uap10.0)) (== netcoreapp1.1) (&& (== netcoreapp2.0) (< netstandard1.3)) (&& (== netcoreapp2.0) (< netstandard1.4)) (&& (== netcoreapp2.0) (< netstandard1.5)) (&& (== netcoreapp2.0) (< netstandard1.6)) (&& (== netcoreapp2.0) (< netstandard2.0)) (&& (== netcoreapp2.0) (< portable-net451+win81+wpa81)) (&& (== netcoreapp2.0) (>= uap10.0)) (&& (== netstandard1.3) (>= netstandard1.6)) (== netstandard1.6) (&& (< monotouch) (< net45) (>= netstandard1.6) (< xamarinios) (< xamarinmac) (< xamarintvos) (< xamarinwatchos)) (&& (>= netstandard1.6) (< portable-net45+win8+wp8+wpa81))
+    runtime.linux-x64.Microsoft.NETCore.App (2.0.4)
+    runtime.linux-x64.Microsoft.NETCore.DotNetAppHost (2.0.4)
+    runtime.linux-x64.Microsoft.NETCore.DotNetHostPolicy (2.0.4)
+      Microsoft.NETCore.DotNetHostResolver (>= 2.0.4)
+    runtime.linux-x64.Microsoft.NETCore.DotNetHostResolver (2.0.4)
+      Microsoft.NETCore.DotNetAppHost (>= 2.0.4)
     runtime.native.System (4.3) - restriction: || (&& (== net45) (>= net46) (>= netstandard1.6)) (&& (== net45) (>= netstandard1.6) (>= uap10.0)) (== netcoreapp1.1) (&& (== netcoreapp2.0) (< netstandard1.0)) (&& (== netcoreapp2.0) (< netstandard1.3)) (&& (== netcoreapp2.0) (< netstandard1.4)) (&& (== netcoreapp2.0) (< netstandard1.5)) (&& (== netcoreapp2.0) (< netstandard1.6)) (&& (== netcoreapp2.0) (< netstandard2.0)) (&& (== netcoreapp2.0) (< portable-net451+win81+wpa81)) (&& (== netcoreapp2.0) (>= uap10.0)) (&& (< monotouch) (< net45) (>= netstandard1.6) (< xamarinios) (< xamarinmac) (< xamarintvos) (< xamarinwatchos)) (&& (>= netstandard1.6) (< portable-net45+win8+wp8+wpa81))
       Microsoft.NETCore.Platforms (>= 1.1)
       Microsoft.NETCore.Targets (>= 1.1)
@@ -122,7 +132,42 @@ NUGET
     runtime.rhel.7-x64.runtime.native.System.Security.Cryptography.OpenSsl (4.3.2) - restriction: || (&& (== net45) (>= netstandard1.6) (>= uap10.0)) (== netcoreapp1.1) (&& (== netcoreapp2.0) (< netstandard1.3)) (&& (== netcoreapp2.0) (< netstandard1.4)) (&& (== netcoreapp2.0) (< netstandard1.5)) (&& (== netcoreapp2.0) (< netstandard1.6)) (&& (== netcoreapp2.0) (< netstandard2.0)) (&& (== netcoreapp2.0) (< portable-net451+win81+wpa81)) (&& (== netcoreapp2.0) (>= uap10.0)) (&& (== netstandard1.3) (>= netstandard1.6)) (== netstandard1.6) (&& (< monotouch) (< net45) (>= netstandard1.6) (< xamarinios) (< xamarinmac) (< xamarintvos) (< xamarinwatchos)) (&& (>= netstandard1.6) (< portable-net45+win8+wp8+wpa81))
     runtime.ubuntu.14.04-x64.runtime.native.System.Security.Cryptography.OpenSsl (4.3.2) - restriction: || (&& (== net45) (>= netstandard1.6) (>= uap10.0)) (== netcoreapp1.1) (&& (== netcoreapp2.0) (< netstandard1.3)) (&& (== netcoreapp2.0) (< netstandard1.4)) (&& (== netcoreapp2.0) (< netstandard1.5)) (&& (== netcoreapp2.0) (< netstandard1.6)) (&& (== netcoreapp2.0) (< netstandard2.0)) (&& (== netcoreapp2.0) (< portable-net451+win81+wpa81)) (&& (== netcoreapp2.0) (>= uap10.0)) (&& (== netstandard1.3) (>= netstandard1.6)) (== netstandard1.6) (&& (< monotouch) (< net45) (>= netstandard1.6) (< xamarinios) (< xamarinmac) (< xamarintvos) (< xamarinwatchos)) (&& (>= netstandard1.6) (< portable-net45+win8+wp8+wpa81))
     runtime.ubuntu.16.04-x64.runtime.native.System.Security.Cryptography.OpenSsl (4.3.2) - restriction: || (&& (== net45) (>= netstandard1.6) (>= uap10.0)) (== netcoreapp1.1) (&& (== netcoreapp2.0) (< netstandard1.3)) (&& (== netcoreapp2.0) (< netstandard1.4)) (&& (== netcoreapp2.0) (< netstandard1.5)) (&& (== netcoreapp2.0) (< netstandard1.6)) (&& (== netcoreapp2.0) (< netstandard2.0)) (&& (== netcoreapp2.0) (< portable-net451+win81+wpa81)) (&& (== netcoreapp2.0) (>= uap10.0)) (&& (== netstandard1.3) (>= netstandard1.6)) (== netstandard1.6) (&& (< monotouch) (< net45) (>= netstandard1.6) (< xamarinios) (< xamarinmac) (< xamarintvos) (< xamarinwatchos)) (&& (>= netstandard1.6) (< portable-net45+win8+wp8+wpa81))
+    runtime.ubuntu.16.10-x64.Microsoft.NETCore.DotNetHost (1.1)
+    runtime.ubuntu.16.10-x64.Microsoft.NETCore.DotNetHostPolicy (1.1.2)
+      Microsoft.NETCore.DotNetHostResolver (>= 1.1)
+    runtime.ubuntu.16.10-x64.Microsoft.NETCore.DotNetHostResolver (1.1)
+      Microsoft.NETCore.DotNetHost (>= 1.1)
+    runtime.ubuntu.16.10-x64.Microsoft.NETCore.Jit (1.1.2)
+    runtime.ubuntu.16.10-x64.Microsoft.NETCore.Runtime.CoreCLR (1.1.2)
     runtime.ubuntu.16.10-x64.runtime.native.System.Security.Cryptography.OpenSsl (4.3.2) - restriction: || (&& (== net45) (>= netstandard1.6) (>= uap10.0)) (== netcoreapp1.1) (&& (== netcoreapp2.0) (< netstandard1.3)) (&& (== netcoreapp2.0) (< netstandard1.4)) (&& (== netcoreapp2.0) (< netstandard1.5)) (&& (== netcoreapp2.0) (< netstandard1.6)) (&& (== netcoreapp2.0) (< netstandard2.0)) (&& (== netcoreapp2.0) (< portable-net451+win81+wpa81)) (&& (== netcoreapp2.0) (>= uap10.0)) (&& (== netstandard1.3) (>= netstandard1.6)) (== netstandard1.6) (&& (< monotouch) (< net45) (>= netstandard1.6) (< xamarinios) (< xamarinmac) (< xamarintvos) (< xamarinwatchos)) (&& (>= netstandard1.6) (< portable-net45+win8+wp8+wpa81))
+    runtime.win-x64.Microsoft.NETCore.App (2.0.4)
+    runtime.win-x64.Microsoft.NETCore.DotNetAppHost (2.0.4)
+    runtime.win-x64.Microsoft.NETCore.DotNetHostPolicy (2.0.4)
+      Microsoft.NETCore.DotNetHostResolver (>= 2.0.4)
+    runtime.win-x64.Microsoft.NETCore.DotNetHostResolver (2.0.4)
+      Microsoft.NETCore.DotNetAppHost (>= 2.0.4)
+    runtime.win-x86.Microsoft.NETCore.App (2.0.4)
+    runtime.win-x86.Microsoft.NETCore.DotNetAppHost (2.0.4)
+    runtime.win-x86.Microsoft.NETCore.DotNetHostPolicy (2.0.4)
+      Microsoft.NETCore.DotNetHostResolver (>= 2.0.4)
+    runtime.win-x86.Microsoft.NETCore.DotNetHostResolver (2.0.4)
+      Microsoft.NETCore.DotNetAppHost (>= 2.0.4)
+    runtime.win7-x64.Microsoft.NETCore.DotNetHost (1.1)
+    runtime.win7-x64.Microsoft.NETCore.DotNetHostPolicy (1.1.5)
+      Microsoft.NETCore.DotNetHostResolver (>= 1.1)
+    runtime.win7-x64.Microsoft.NETCore.DotNetHostResolver (1.1)
+      Microsoft.NETCore.DotNetHost (>= 1.1)
+    runtime.win7-x64.Microsoft.NETCore.Jit (1.1.5)
+    runtime.win7-x64.Microsoft.NETCore.Runtime.CoreCLR (1.1.5)
+    runtime.win7-x64.Microsoft.NETCore.Windows.ApiSets (1.0.1)
+    runtime.win7-x86.Microsoft.NETCore.DotNetHost (1.1)
+    runtime.win7-x86.Microsoft.NETCore.DotNetHostPolicy (1.1.5)
+      Microsoft.NETCore.DotNetHostResolver (>= 1.1)
+    runtime.win7-x86.Microsoft.NETCore.DotNetHostResolver (1.1)
+      Microsoft.NETCore.DotNetHost (>= 1.1)
+    runtime.win7-x86.Microsoft.NETCore.Jit (1.1.5)
+    runtime.win7-x86.Microsoft.NETCore.Runtime.CoreCLR (1.1.5)
+    runtime.win7-x86.Microsoft.NETCore.Windows.ApiSets (1.0.1)
     System.AppContext (4.3) - restriction: || (&& (== net45) (>= net46) (>= netstandard1.6)) (&& (== net45) (>= netstandard1.6) (>= uap10.0)) (== netcoreapp1.1) (&& (== netcoreapp2.0) (< netstandard1.4)) (&& (== netcoreapp2.0) (< netstandard1.5)) (&& (== netcoreapp2.0) (< netstandard1.6)) (&& (== netcoreapp2.0) (< netstandard2.0)) (&& (== netcoreapp2.0) (>= uap10.0))
       System.Runtime (>= 4.3) - restriction: || (&& (< monoandroid) (< net46) (>= netstandard1.3) (< netstandard1.6)) (&& (< monoandroid) (< netstandard1.3)) (&& (< monotouch) (< net46) (>= netstandard1.6) (< xamarinios) (< xamarinmac) (< xamarintvos) (< xamarinwatchos))
     System.Buffers (4.4) - restriction: || (&& (== net45) (>= net46) (>= netstandard1.6)) (&& (== net45) (>= netstandard1.6) (>= uap10.0)) (== netcoreapp1.1) (&& (== netcoreapp2.0) (< netstandard1.3)) (&& (== netcoreapp2.0) (< netstandard1.4)) (&& (== netcoreapp2.0) (< netstandard1.5)) (&& (== netcoreapp2.0) (< netstandard1.6)) (&& (== netcoreapp2.0) (< netstandard2.0)) (&& (== netcoreapp2.0) (< portable-net45+win8+wpa81)) (&& (== netcoreapp2.0) (< portable-net451+win81+wpa81)) (&& (== netcoreapp2.0) (>= uap10.0))