diff --git a/Doc/SerializationAttributes.aml b/Doc/SerializationAttributes.aml
index 9ade3aed..e3a90f2e 100644
--- a/Doc/SerializationAttributes.aml
+++ b/Doc/SerializationAttributes.aml
@@ -49,10 +49,11 @@
         serialized by default but can be ignored with the JsonIgnoreAttribute, Json.NET's default behavior) or
         fields (all public and private fields are serialized and properties are ignored).</para>
         <para>Json.NET serializes .NET classes that implement IEnumerable as a JSON array populated with the
-        IEnumerable values. Placing the JsonPropertyAttribute overrides this behavior and forces the serializer
-        to serialize the class's fields and properties.</para>
-        <para>The DataContractAttribute can be used as substitute for JsonObjectAttribute. The
-        DataContractAttribute will default member serialization to opt-in.</para>
+        IEnumerable values. Placing the <codeEntityReference>T:Newtonsoft.Json.JsonObjectAttribute</codeEntityReference>
+        overrides this behavior and forces the serializer to serialize the class's fields and properties.</para>
+        <para>The <codeEntityReference>T:System.Runtime.Serialization.DataContractAttribute</codeEntityReference>
+        can be used as substitute for JsonObjectAttribute. The DataContractAttribute will default member
+        serialization to opt-in.</para>
       </content>
     </section>
         
diff --git a/Src/Newtonsoft.Json.Tests/JsonTextReaderTest.cs b/Src/Newtonsoft.Json.Tests/JsonTextReaderTest.cs
index db891888..afa1b790 100644
--- a/Src/Newtonsoft.Json.Tests/JsonTextReaderTest.cs
+++ b/Src/Newtonsoft.Json.Tests/JsonTextReaderTest.cs
@@ -3248,6 +3248,55 @@ null//comment
                 },
                 "Unexpected character encountered while parsing value: !. Path 'frameworks.dnxcore50.dependencies.['System.Xml.ReaderWriter'].source', line 6, position 21.");
         }
+
+        [Test]
+        [Ignore("Fix this next major version")]
+        public void LinePositionOnNewLine()
+        {
+            string json1 = "{'a':'bc'}";
+
+            JsonTextReader r = new JsonTextReader(new StringReader(json1));
+
+            Assert.IsTrue(r.Read());
+            Assert.AreEqual(1, r.LineNumber);
+            Assert.AreEqual(1, r.LinePosition);
+
+            Assert.IsTrue(r.Read());
+            Assert.AreEqual(1, r.LineNumber);
+            Assert.AreEqual(5, r.LinePosition);
+
+            Assert.IsTrue(r.Read());
+            Assert.AreEqual(1, r.LineNumber);
+            Assert.AreEqual(9, r.LinePosition);
+
+            Assert.IsTrue(r.Read());
+            Assert.AreEqual(1, r.LineNumber);
+            Assert.AreEqual(10, r.LinePosition);
+
+            Assert.IsFalse(r.Read());
+
+            string json2 = "\n{'a':'bc'}";
+
+            r = new JsonTextReader(new StringReader(json2));
+
+            Assert.IsTrue(r.Read());
+            Assert.AreEqual(2, r.LineNumber);
+            Assert.AreEqual(1, r.LinePosition);
+
+            Assert.IsTrue(r.Read());
+            Assert.AreEqual(2, r.LineNumber);
+            Assert.AreEqual(5, r.LinePosition);
+
+            Assert.IsTrue(r.Read());
+            Assert.AreEqual(2, r.LineNumber);
+            Assert.AreEqual(9, r.LinePosition);
+
+            Assert.IsTrue(r.Read());
+            Assert.AreEqual(2, r.LineNumber);
+            Assert.AreEqual(10, r.LinePosition);
+
+            Assert.IsFalse(r.Read());
+        }
     }
 
     public class ToggleReaderError : TextReader
diff --git a/Src/Newtonsoft.Json.Tests/Newtonsoft.Json.Tests.csproj b/Src/Newtonsoft.Json.Tests/Newtonsoft.Json.Tests.csproj
index 3bf026a8..d87b2923 100644
--- a/Src/Newtonsoft.Json.Tests/Newtonsoft.Json.Tests.csproj
+++ b/Src/Newtonsoft.Json.Tests/Newtonsoft.Json.Tests.csproj
@@ -456,6 +456,7 @@
     <Compile Include="Utilities\ExpressionReflectionDelegateFactoryTests.cs" />
     <Compile Include="Utilities\LateboundReflectionDelegateFactoryTests.cs" />
     <Compile Include="Utilities\ReflectionUtilsTests.cs" />
+    <Compile Include="Utilities\ConvertUtilsTests.cs" />
     <Compile Include="Utilities\StringUtilsTests.cs" />
   </ItemGroup>
   <ItemGroup>
diff --git a/Src/Newtonsoft.Json.Tests/Serialization/JsonSerializerTest.cs b/Src/Newtonsoft.Json.Tests/Serialization/JsonSerializerTest.cs
index a75ea035..b0696653 100644
--- a/Src/Newtonsoft.Json.Tests/Serialization/JsonSerializerTest.cs
+++ b/Src/Newtonsoft.Json.Tests/Serialization/JsonSerializerTest.cs
@@ -95,6 +95,111 @@ namespace Newtonsoft.Json.Tests.Serialization
     [TestFixture]
     public class JsonSerializerTest : TestFixtureBase
     {
+        public interface ISubclassBase
+        {
+            int ID { get; set; }
+            string Name { get; set; }
+            bool P1 { get; }
+        }
+        public interface ISubclass : ISubclassBase
+        {
+            new bool P1 { get; set; }
+            int P2 { get; set; }
+        }
+        public interface IMainClass
+        {
+            int ID { get; set; }
+            string Name { get; set; }
+            ISubclass Subclass { get; set; }
+        }
+
+        public class Subclass : ISubclass
+        {
+            public int ID { get; set; }
+            public string Name { get; set; }
+            public bool P1 { get; set; }
+            public int P2 { get; set; }
+        }
+        public class MainClass : IMainClass
+        {
+            public int ID { get; set; }
+            public string Name { get; set; }
+            public ISubclass Subclass { get; set; }
+        }
+
+        public class MyFactory
+        {
+            public static ISubclass InstantiateSubclass()
+            {
+                return new Subclass
+                {
+                    ID = 123,
+                    Name = "ABC",
+                    P1 = true,
+                    P2 = 44
+                };
+            }
+            public static IMainClass InstantiateManiClass()
+            {
+                return new MainClass
+                {
+                    ID = 567,
+                    Name = "XYZ",
+                    Subclass = InstantiateSubclass()
+                };
+            }
+        }
+
+        [Test]
+        public void SerializeInterfaceWithHiddenProperties()
+        {
+            var mySubclass = MyFactory.InstantiateSubclass();
+            var myMainClass = MyFactory.InstantiateManiClass();
+
+            //Class implementing interface with hidden members - flat object. 
+            var strJsonSubclass = JsonConvert.SerializeObject(mySubclass, Formatting.Indented);
+
+            StringAssert.AreEqual(@"{
+  ""ID"": 123,
+  ""Name"": ""ABC"",
+  ""P1"": true,
+  ""P2"": 44
+}", strJsonSubclass);
+
+            //Class implementing interface with hidden members - member of another class. 
+            var strJsonMainClass = JsonConvert.SerializeObject(myMainClass, Formatting.Indented);
+
+            StringAssert.AreEqual(@"{
+  ""ID"": 567,
+  ""Name"": ""XYZ"",
+  ""Subclass"": {
+    ""ID"": 123,
+    ""Name"": ""ABC"",
+    ""P1"": true,
+    ""P2"": 44
+  }
+}", strJsonMainClass);
+        }
+
+        [Test]
+        public void LargeIntegerAsString()
+        {
+            Console.WriteLine("Sending in: \n43443333222211111117");
+            var largeBrokenNumber = JsonConvert.DeserializeObject<Foo64>("{\"Blah\": 43443333222211111117 }");
+            Console.WriteLine(largeBrokenNumber.Blah);
+
+            Console.WriteLine();
+
+            Console.WriteLine("Sending in: \n53443333222211111117");
+            var largeOddWorkingNumber = JsonConvert.DeserializeObject<Foo64>("{\"Blah\": 53443333222211111117 }");
+            Console.WriteLine(largeOddWorkingNumber.Blah);
+        }
+
+        public class Foo64
+        {
+            public string Blah { get; set; }
+        }
+
         [Test]
         public void CaseInsensitiveRequiredPropertyConstructorCreation()
         {
diff --git a/Src/Newtonsoft.Json.Tests/Utilities/ConvertUtilsTests.cs b/Src/Newtonsoft.Json.Tests/Utilities/ConvertUtilsTests.cs
new file mode 100644
index 00000000..770f857c
--- /dev/null
+++ b/Src/Newtonsoft.Json.Tests/Utilities/ConvertUtilsTests.cs
@@ -0,0 +1,130 @@
+#region License
+// Copyright (c) 2007 James Newton-King
+//
+// Permission is hereby granted, free of charge, to any person
+// obtaining a copy of this software and associated documentation
+// files (the "Software"), to deal in the Software without
+// restriction, including without limitation the rights to use,
+// copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the
+// Software is furnished to do so, subject to the following
+// conditions:
+//
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+// OTHER DEALINGS IN THE SOFTWARE.
+#endregion
+
+#if NETFX_CORE
+using Microsoft.VisualStudio.TestPlatform.UnitTestFramework;
+using TestFixture = Microsoft.VisualStudio.TestPlatform.UnitTestFramework.TestClassAttribute;
+using Test = Microsoft.VisualStudio.TestPlatform.UnitTestFramework.TestMethodAttribute;
+#elif DNXCORE50
+using Xunit;
+using Test = Xunit.FactAttribute;
+using Assert = Newtonsoft.Json.Tests.XUnitAssert;
+#else
+using NUnit.Framework;
+#endif
+using Newtonsoft.Json.Utilities;
+
+namespace Newtonsoft.Json.Tests.Utilities
+{
+    [TestFixture]
+    public class ConvertUtilsTests : TestFixtureBase
+    {
+        [Test]
+        public void Int64TryParse()
+        {
+            long l;
+            char[] c = "43443333222211111117".ToCharArray();
+            ParseResult result = ConvertUtils.Int64TryParse(c, 0, c.Length, out l);
+            Assert.AreEqual(ParseResult.Overflow, result);
+
+            c = "9223372036854775807".ToCharArray();
+            result = ConvertUtils.Int64TryParse(c, 0, c.Length, out l);
+            Assert.AreEqual(ParseResult.Success, result);
+            Assert.AreEqual(9223372036854775807L, l);
+
+            c = "9223372036854775808".ToCharArray();
+            result = ConvertUtils.Int64TryParse(c, 0, c.Length, out l);
+            Assert.AreEqual(ParseResult.Overflow, result);
+
+            for (int i = 3; i < 10; i++)
+            {
+                c = ("9" + i + "23372036854775807").ToCharArray();
+                result = ConvertUtils.Int64TryParse(c, 0, c.Length, out l);
+                Assert.AreEqual(ParseResult.Overflow, result);
+            }
+
+
+
+            c = "-9223372036854775808".ToCharArray();
+            result = ConvertUtils.Int64TryParse(c, 0, c.Length, out l);
+            Assert.AreEqual(ParseResult.Success, result);
+            Assert.AreEqual(-9223372036854775808L, l);
+
+            c = "-9223372036854775809".ToCharArray();
+            result = ConvertUtils.Int64TryParse(c, 0, c.Length, out l);
+            Assert.AreEqual(ParseResult.Overflow, result);
+
+            for (int i = 3; i < 10; i++)
+            {
+                c = ("-9" + i + "23372036854775808").ToCharArray();
+                result = ConvertUtils.Int64TryParse(c, 0, c.Length, out l);
+                Assert.AreEqual(ParseResult.Overflow, result);
+            }
+        }
+
+        [Test]
+        public void Int32TryParse()
+        {
+            int i;
+            char[] c = "43443333227".ToCharArray();
+            ParseResult result = ConvertUtils.Int32TryParse(c, 0, c.Length, out i);
+            Assert.AreEqual(ParseResult.Overflow, result);
+
+            c = "2147483647".ToCharArray();
+            result = ConvertUtils.Int32TryParse(c, 0, c.Length, out i);
+            Assert.AreEqual(ParseResult.Success, result);
+            Assert.AreEqual(2147483647, i);
+
+            c = "2147483648".ToCharArray();
+            result = ConvertUtils.Int32TryParse(c, 0, c.Length, out i);
+            Assert.AreEqual(ParseResult.Overflow, result);
+
+            for (int j = 2; j < 10; j++)
+            {
+                c = ("2" + j + "47483647").ToCharArray();
+                result = ConvertUtils.Int32TryParse(c, 0, c.Length, out i);
+                Assert.AreEqual(ParseResult.Overflow, result);
+            }
+
+
+
+            c = "-2147483648".ToCharArray();
+            result = ConvertUtils.Int32TryParse(c, 0, c.Length, out i);
+            Assert.AreEqual(ParseResult.Success, result);
+            Assert.AreEqual(-2147483648, i);
+
+            c = "-2147483649".ToCharArray();
+            result = ConvertUtils.Int32TryParse(c, 0, c.Length, out i);
+            Assert.AreEqual(ParseResult.Overflow, result);
+
+            for (int j = 3; j < 10; j++)
+            {
+                c = ("-2" + j + "47483648").ToCharArray();
+                result = ConvertUtils.Int32TryParse(c, 0, c.Length, out i);
+                Assert.AreEqual(ParseResult.Overflow, result);
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/Src/Newtonsoft.Json/Serialization/CamelCasePropertyNamesContractResolver.cs b/Src/Newtonsoft.Json/Serialization/CamelCasePropertyNamesContractResolver.cs
index c49a07cf..ea9ee82d 100644
--- a/Src/Newtonsoft.Json/Serialization/CamelCasePropertyNamesContractResolver.cs
+++ b/Src/Newtonsoft.Json/Serialization/CamelCasePropertyNamesContractResolver.cs
@@ -50,7 +50,7 @@ namespace Newtonsoft.Json.Serialization
         /// <returns>The property name camel cased.</returns>
         protected override string ResolvePropertyName(string propertyName)
         {
-            // lower case the first letter of the passed in name
+            // lower case the first letter (or more) of the passed in name
             return StringUtils.ToCamelCase(propertyName);
         }
     }
diff --git a/Src/Newtonsoft.Json/Serialization/JsonPropertyCollection.cs b/Src/Newtonsoft.Json/Serialization/JsonPropertyCollection.cs
index 406f4b8d..dd684942 100644
--- a/Src/Newtonsoft.Json/Serialization/JsonPropertyCollection.cs
+++ b/Src/Newtonsoft.Json/Serialization/JsonPropertyCollection.cs
@@ -85,13 +85,15 @@ namespace Newtonsoft.Json.Serialization
                 {
                     if (property.DeclaringType != null && existingProperty.DeclaringType != null)
                     {
-                        if (property.DeclaringType.IsSubclassOf(existingProperty.DeclaringType))
+                        if (property.DeclaringType.IsSubclassOf(existingProperty.DeclaringType)
+                            || (existingProperty.DeclaringType.IsInterface && property.DeclaringType.ImplementInterface(existingProperty.DeclaringType)))
                         {
                             // current property is on a derived class and hides the existing
                             Remove(existingProperty);
                             duplicateProperty = false;
                         }
-                        if (existingProperty.DeclaringType.IsSubclassOf(property.DeclaringType))
+                        if (existingProperty.DeclaringType.IsSubclassOf(property.DeclaringType)
+                            || (property.DeclaringType.IsInterface && existingProperty.DeclaringType.ImplementInterface(property.DeclaringType)))
                         {
                             // current property is hidden by the existing so don't add it
                             return;
diff --git a/Src/Newtonsoft.Json/Utilities/ConvertUtils.cs b/Src/Newtonsoft.Json/Utilities/ConvertUtils.cs
index e27d9a13..f3fa5cab 100644
--- a/Src/Newtonsoft.Json/Utilities/ConvertUtils.cs
+++ b/Src/Newtonsoft.Json/Utilities/ConvertUtils.cs
@@ -665,6 +665,21 @@ namespace Newtonsoft.Json.Utilities
 
             int end = start + length;
 
+            // Int32.MaxValue and MinValue are 10 chars
+            if (length > 10)
+            {
+                // invalid result takes precedence over overflow
+                for (int i = start; i < end; i++)
+                {
+                    int c = chars[i] - '0';
+
+                    if (c < 0 || c > 9)
+                        return ParseResult.Invalid;
+                }
+
+                return ParseResult.Overflow;
+            }
+
             for (int i = start; i < end; i++)
             {
                 int c = chars[i] - '0';
@@ -730,6 +745,21 @@ namespace Newtonsoft.Json.Utilities
 
             int end = start + length;
 
+            // Int64.MaxValue and MinValue are 19 chars
+            if (length > 19)
+            {
+                // invalid result takes precedence over overflow
+                for (int i = start; i < end; i++)
+                {
+                    int c = chars[i] - '0';
+
+                    if (c < 0 || c > 9)
+                        return ParseResult.Invalid;
+                }
+
+                return ParseResult.Overflow;
+            }
+
             for (int i = start; i < end; i++)
             {
                 int c = chars[i] - '0';
diff --git a/Src/Newtonsoft.Json/Utilities/TypeExtensions.cs b/Src/Newtonsoft.Json/Utilities/TypeExtensions.cs
index 96472ca0..e4bd1149 100644
--- a/Src/Newtonsoft.Json/Utilities/TypeExtensions.cs
+++ b/Src/Newtonsoft.Json/Utilities/TypeExtensions.cs
@@ -550,5 +550,23 @@ namespace Newtonsoft.Json.Utilities
             Type match;
             return type.AssignableToTypeName(fullTypeName, out match);
         }
+
+        public static bool ImplementInterface(this Type type, Type interfaceType)
+        {
+            for (Type currentType = type; currentType != null; currentType = currentType.BaseType)
+            {
+                Type[] interfaces = currentType.GetInterfaces();
+
+                for (int i = 0; i < interfaces.Length; i++)
+                {
+                    if (interfaces[i] == interfaceType || (interfaces[i] != null && interfaces[i].ImplementInterface(interfaceType)))
+                    {
+                        return true;
+                    }
+                }
+            }
+
+            return false;
+        }
     }
 }
\ No newline at end of file