Update version to 1.4.0

Author: einsteinx2

src/mParticle.Sdk/Client/Configuration.cs

@@ -21,7 +21,7 @@ public class Configuration : IReadableConfiguration
         /// Version of the package.
         /// </summary>
         /// <value>Version of the package.</value>
-        public const string Version = "1.3.0";
+        public const string Version = "1.4.0";
 
         /// <summary>
         /// Identifier for ISO 8601 DateTime Format

src/mParticle.Sdk/mParticle.Sdk.csproj

@@ -10,7 +10,7 @@
     <Owner>MParticle</Owner>
     <Description>MParticle Dotnet SDK</Description>
     <RootNamespace>mParticle</RootNamespace>
-    <Version>1.3.0</Version>
+    <Version>1.4.0</Version>
     <DocumentationFile>bin\$(Configuration)\$(TargetFramework)\mParticle.xml</DocumentationFile>
     <RepositoryUrl>https://github.com/mParticle/dotnet-sdk</RepositoryUrl>
     <RepositoryType>git</RepositoryType>