update version info: v1.0.3 -> v1.0.4

Also adds a solution file for VS2017 which drops the .Net Framework 2.0 version of the project

src/Properties/AssemblyInfo.cs

@@ -5,10 +5,10 @@
 using System.Runtime.InteropServices;
 [assembly: Debuggable(DebuggableAttribute.DebuggingModes.Default | DebuggableAttribute.DebuggingModes.IgnoreSymbolStoreSequencePoints)]
 [assembly: AssemblyCompany("")]
-[assembly: AssemblyCopyright("Copyright © 2015 by Primoz Licen, Glenn Fisher")]
+[assembly: AssemblyCopyright("Copyright © 2015 — 2019 by Primoz Licen, Glenn Fisher")]
 [assembly: AssemblyDescription("Lists all the IPs")]
-[assembly: AssemblyFileVersion("1.0.0.3")]
-[assembly: AssemblyVersion("1.0.0.3")]
+[assembly: AssemblyFileVersion("1.0.0.4")]
+[assembly: AssemblyVersion("1.0.0.4")]
 [assembly: AssemblyProduct("ip4")]
 [assembly: AssemblyTitle("ip4")]
 [assembly: AssemblyTrademark("")]

src/ip4_VS2017.sln

@@ -0,0 +1,25 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 15
+VisualStudioVersion = 15.0.28307.852
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ip4_Framework4", "ip4_Framework4.csproj", "{67831305-5D1F-4A74-94AC-B448307E7C3B}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|x86 = Debug|x86
+		Release|x86 = Release|x86
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{67831305-5D1F-4A74-94AC-B448307E7C3B}.Debug|x86.ActiveCfg = Debug|x86
+		{67831305-5D1F-4A74-94AC-B448307E7C3B}.Debug|x86.Build.0 = Debug|x86
+		{67831305-5D1F-4A74-94AC-B448307E7C3B}.Release|x86.ActiveCfg = Release|x86
+		{67831305-5D1F-4A74-94AC-B448307E7C3B}.Release|x86.Build.0 = Release|x86
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {E23C85AA-25AF-4593-A589-CD734BD70107}
+	EndGlobalSection
+EndGlobal