diff --git a/README.md b/README.md
index a8b01df..af9607d 100644
--- a/README.md
+++ b/README.md
@@ -1,8 +1,9 @@
 XeroApi .Net Library 
 ====================
 
-![Project status](http://stillmaintained.com/XeroAPI/XeroAPI.Net.png)
-
+Unsupported - no longer under active development
+------------
+This library is unsupported. Please see [https://github.com/XeroAPI/Xero-Net](https://github.com/XeroAPI/Xero-Net) for the updated and supported .Net library.
 
 Introduction
 ------------
diff --git a/source/XeroAPI.Net.nuspec b/source/XeroAPI.Net.nuspec
index 41ef3c5..b75a0b4 100644
--- a/source/XeroAPI.Net.nuspec
+++ b/source/XeroAPI.Net.nuspec
@@ -1,16 +1,16 @@
 <?xml version="1.0"?>
-<package xmlns="http://schemas.microsoft.com/packaging/2010/07/nuspec.xsd">
+<package >
   <metadata>
     <id>XeroAPI.Net</id>
-    <version>0.0.0.0</version>
+    <version>1.1.0.34</version>
     <title>.Net wrapper library for Xero API</title>
     <authors>XeroAPI</authors>
     <owners />
     <projectUrl>https://github.com/XeroAPI/XeroAPI.Net</projectUrl>
     <iconUrl>https://secure.gravatar.com/avatar/7fff030fb8040a5157c3fd463858167f.png?s=128</iconUrl>
     <requireLicenseAcceptance>false</requireLicenseAcceptance>
-    <description>.Net wrapper library for Xero API. This library allows you to perform GET/PUT/POST methods against the Xero API without needing to know the internals of xml serialisation, oauth signatures or character encodings. See http://developer.xero.com for more information.</description>
-    <summary>.Net wrapper library for Xero API</summary>
+    <description>Obsolete Xero SDK. See https://github.com/XeroAPI/Xero-NetStandard for the new dotnet standard SDK</description>
+    <summary>Obsolete Xero SDK. See https://github.com/XeroAPI/Xero-NetStandard for the new dotnet standard SDK</summary>
   </metadata>
   <files>
     <file src="XeroApi\bin\Release\XeroApi.dll" target="lib\XeroApi.dll" />
diff --git a/source/XeroApi.Tests/PauseTimeTests.cs b/source/XeroApi.Tests/PauseTimeTests.cs
index 4089d45..4971049 100644
--- a/source/XeroApi.Tests/PauseTimeTests.cs
+++ b/source/XeroApi.Tests/PauseTimeTests.cs
@@ -18,7 +18,8 @@ public void it_can_pause_time()
 
             stopwatch.Stop();
 
-            Assert.AreEqual(1000, stopwatch.ElapsedMilliseconds, 10, "Actual elapsed timespan is not within 50ms of the expected timespan");
+            // Time delta was 10ms and exception said 50ms. Fixing delta.
+            Assert.AreEqual(1000, stopwatch.ElapsedMilliseconds, 50, "Actual elapsed timespan is not within 50ms of the expected timespan");
         }
 
     }
diff --git a/source/XeroApi/Model/BatchPayments.cs b/source/XeroApi/Model/BatchPayments.cs
index f0f7bca..94a5f3b 100644
--- a/source/XeroApi/Model/BatchPayments.cs
+++ b/source/XeroApi/Model/BatchPayments.cs
@@ -10,6 +10,8 @@ public class BatchPayments
         public string BankAccountNumber { get; set; }
         public string BankAccountName { get; set; }
         public string Details { get; set; }
+        public string Code { get; set; }
+        public string Reference { get; set; }
 
         public override string ToString()
         {
@@ -20,7 +22,11 @@ public override string ToString()
             sb.AppendFormat("Bank Account Name: {0} ", BankAccountName);
 
             sb.AppendFormat("Details: {0}", Details);
-
+            
+            sb.AppendFormat("Code: {0}", Code);
+            
+            sb.AppendFormat("Reference: {0}", Reference);
+            
             return sb.ToString();
         }
     }
diff --git a/source/XeroApi/Model/Contact.cs b/source/XeroApi/Model/Contact.cs
index c387b70..8f70750 100644
--- a/source/XeroApi/Model/Contact.cs
+++ b/source/XeroApi/Model/Contact.cs
@@ -24,6 +24,8 @@ public class Contact : EndpointModelBase
         public string EmailAddress { get; set; }
         
         public string SkypeUserName { get; set; }
+
+        public ContactPersons ContactPersons { get; set; }
         
         public string BankAccountDetails { get; set; }
         
diff --git a/source/XeroApi/Model/ContactPerson.cs b/source/XeroApi/Model/ContactPerson.cs
new file mode 100644
index 0000000..1d919ce
--- /dev/null
+++ b/source/XeroApi/Model/ContactPerson.cs
@@ -0,0 +1,36 @@
+using System;
+using System.Text;
+
+namespace XeroApi.Model
+{
+    public class ContactPerson : ModelBase
+    {
+        public string FirstName { get; set; }
+
+        public string LastName { get; set; }
+
+        public string EmailAddress { get; set; }
+
+        public bool IncludeInEmails { get; set; }
+
+        public override string ToString()
+        {
+            StringBuilder sb = new StringBuilder();
+
+            if (!string.IsNullOrEmpty(FirstName))
+                sb.Append(FirstName + Environment.NewLine);
+
+            if (!string.IsNullOrEmpty(LastName))
+                sb.Append(LastName + Environment.NewLine);
+
+            if (!string.IsNullOrEmpty(EmailAddress))
+                sb.Append(EmailAddress + Environment.NewLine);
+
+            return sb.ToString().TrimEnd(' ');
+        }
+    }
+
+    public class ContactPersons : ModelList<ContactPerson>
+    {
+    }
+}
diff --git a/source/XeroApi/Model/Invoice.cs b/source/XeroApi/Model/Invoice.cs
index 5432dc7..d8aa09f 100644
--- a/source/XeroApi/Model/Invoice.cs
+++ b/source/XeroApi/Model/Invoice.cs
@@ -72,6 +72,10 @@ public class Invoice : EndpointModelBase, IAttachmentParent
         [ReadOnly]
         public DateTime? FullyPaidOnDate { get; set; }
 
+        public DateTime? ExpectedPaymentDate { get; set; }
+
+        public DateTime? PlannedPaymentDate { get; set; }
+
         public override string ToString()
         {
             return string.Format("Invoice:{0} Id:{1}", InvoiceNumber, InvoiceID);
diff --git a/source/XeroApi/Model/LineItem.cs b/source/XeroApi/Model/LineItem.cs
index 6ad8478..e90b453 100644
--- a/source/XeroApi/Model/LineItem.cs
+++ b/source/XeroApi/Model/LineItem.cs
@@ -22,6 +22,8 @@ public class LineItem : ModelBase
 
         public decimal? Quantity { get; set; }
 
+        public decimal? DiscountRate { get; set; }
+
         public override string ToString()
         {
             return string.Format("LineItem:{0}", Description ?? ItemCode);
diff --git a/source/XeroApi/OAuth/Consumer/ConsumerResponse.cs b/source/XeroApi/OAuth/Consumer/ConsumerResponse.cs
index 58e13c7..801e5ee 100644
--- a/source/XeroApi/OAuth/Consumer/ConsumerResponse.cs
+++ b/source/XeroApi/OAuth/Consumer/ConsumerResponse.cs
@@ -57,7 +57,7 @@ public class ConsumerResponse : IConsumerResponse
             if (webResponse.Headers["Content-Type"] != string.Empty)
                 ContentType = webResponse.Headers["Content-Type"];
 
-            if (webResponse.Headers["Content-Length"] != string.Empty)
+            if (!string.IsNullOrEmpty(webResponse.Headers["Content-Length"]))
                 ContentLength = int.Parse(webResponse.Headers["Content-Length"]);
 
             TimeTaken = timeTaken;
diff --git a/source/XeroApi/OAuth/Framework/DateTimeUtility.cs b/source/XeroApi/OAuth/Framework/DateTimeUtility.cs
index 6922d5c..1d6a876 100644
Binary files a/source/XeroApi/OAuth/Framework/DateTimeUtility.cs and b/source/XeroApi/OAuth/Framework/DateTimeUtility.cs differ
diff --git a/source/XeroApi/OAuth/Framework/NonceGenerator.cs b/source/XeroApi/OAuth/Framework/NonceGenerator.cs
index 0acec50..6327fa3 100644
Binary files a/source/XeroApi/OAuth/Framework/NonceGenerator.cs and b/source/XeroApi/OAuth/Framework/NonceGenerator.cs differ
diff --git a/source/XeroApi/Properties/AssemblyInfo.cs b/source/XeroApi/Properties/AssemblyInfo.cs
index 22ec967..e3d6b27 100644
--- a/source/XeroApi/Properties/AssemblyInfo.cs
+++ b/source/XeroApi/Properties/AssemblyInfo.cs
@@ -9,7 +9,7 @@
 [assembly: AssemblyConfiguration("")]
 [assembly: AssemblyCompany("Xero")]
 [assembly: AssemblyProduct("XeroApi")]
-[assembly: AssemblyCopyright("Copyright © Xero 2011")]
+[assembly: AssemblyCopyright("Copyright © Xero 2018")]
 [assembly: AssemblyTrademark("")]
 [assembly: AssemblyCulture("")]
 
@@ -31,5 +31,5 @@
 // You can specify all the values or you can default the Build and Revision Numbers 
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("1.1.0.33")]
-[assembly: AssemblyFileVersion("1.1.0.33")]
+[assembly: AssemblyVersion("1.1.0.34")]
+[assembly: AssemblyFileVersion("1.1.0.34")]
diff --git a/source/XeroApi/XeroApi.csproj b/source/XeroApi/XeroApi.csproj
index c5fbbcd..c92783e 100644
--- a/source/XeroApi/XeroApi.csproj
+++ b/source/XeroApi/XeroApi.csproj
@@ -70,6 +70,7 @@
     <Compile Include="Model\BatchPayments.cs" />
     <Compile Include="Model\BrandingTheme.cs" />
     <Compile Include="Model\ContactGroup.cs" />
+    <Compile Include="Model\ContactPerson.cs" />
     <Compile Include="Model\CreditNote.cs" />
     <Compile Include="Model\Currency.cs" />
     <Compile Include="Model\Employee.cs" />