diff --git a/Assets/QuickSheet/GDataPlugin/Templates/AssetFileClass.txt b/Assets/QuickSheet/GDataPlugin/Templates/AssetFileClass.txt
index 8bcb8ab..c2eba01 100644
--- a/Assets/QuickSheet/GDataPlugin/Templates/AssetFileClass.txt
+++ b/Assets/QuickSheet/GDataPlugin/Templates/AssetFileClass.txt
@@ -1,6 +1,7 @@
 using UnityEngine;
 using UnityEditor;
 using System.IO;
+using UnityQuicksheet;
 
 ///
 /// !!! Machine generated code !!!
diff --git a/Assets/QuickSheet/GDataPlugin/Templates/DataClass.txt b/Assets/QuickSheet/GDataPlugin/Templates/DataClass.txt
index 7d64a8e..92e4af4 100644
--- a/Assets/QuickSheet/GDataPlugin/Templates/DataClass.txt
+++ b/Assets/QuickSheet/GDataPlugin/Templates/DataClass.txt
@@ -1,5 +1,6 @@
 using UnityEngine;
 using System.Collections;
+using UnityQuicksheet;
 
 ///
 /// !!! Machine generated code !!!
diff --git a/Assets/QuickSheet/GDataPlugin/Templates/Property.txt b/Assets/QuickSheet/GDataPlugin/Templates/Property.txt
index fafdedb..283ae8c 100644
--- a/Assets/QuickSheet/GDataPlugin/Templates/Property.txt
+++ b/Assets/QuickSheet/GDataPlugin/Templates/Property.txt
@@ -1,5 +1,6 @@
     [SerializeField]
     string $FieldName;
+	using UnityQuicksheet;
 
     [ExposeProperty]
     public string $CapitalFieldName	{ get {return $FieldName; } set { $FieldName = value;} }
diff --git a/Assets/QuickSheet/GDataPlugin/Templates/ScriptableObjectClass.txt b/Assets/QuickSheet/GDataPlugin/Templates/ScriptableObjectClass.txt
index 7a116e1..9f7be12 100644
--- a/Assets/QuickSheet/GDataPlugin/Templates/ScriptableObjectClass.txt
+++ b/Assets/QuickSheet/GDataPlugin/Templates/ScriptableObjectClass.txt
@@ -2,6 +2,7 @@ using UnityEngine;
 using System;
 using System.Collections;
 using System.Collections.Generic;
+using UnityQuicksheet;
 
 ///
 /// !!! Machine generated code !!!
diff --git a/Assets/QuickSheet/GDataPlugin/Templates/ScriptableObjectEditorClass.txt b/Assets/QuickSheet/GDataPlugin/Templates/ScriptableObjectEditorClass.txt
index 4977424..0c45ccf 100644
--- a/Assets/QuickSheet/GDataPlugin/Templates/ScriptableObjectEditorClass.txt
+++ b/Assets/QuickSheet/GDataPlugin/Templates/ScriptableObjectEditorClass.txt
@@ -7,6 +7,8 @@ using System.Text;
 using GDataDB;
 using GDataDB.Linq;
 
+using UnityQuicksheet;
+
 ///
 /// !!! Machine generated code !!!
 ///
diff --git a/Assets/QuickSheet/Util/Cloner.cs b/Assets/QuickSheet/Util/Cloner.cs
index ae94170..708620b 100644
--- a/Assets/QuickSheet/Util/Cloner.cs
+++ b/Assets/QuickSheet/Util/Cloner.cs
@@ -2,64 +2,68 @@
 using System.Collections;
 using System.Reflection;
 
-/// 
-/// Cloner which do deep copy of an array or class instance.
-/// 
-/// See Also:
-/// 	http://www.codeproject.com/Articles/38270/Deep-copy-of-objects-in-C
-/// 
-/// CAUTION:
-/// 	For an inheritance case, deep copying all member fields of the ancestor are not tested.
-/// 
-public class Cloner 
+namespace UnityQuicksheet
 {
-    public static T DeepCopy<T>(T obj) 
-    {
-        if(obj==null)
-            throw new ArgumentNullException("Object cannot be null");
-        return (T)Process(obj);
-    }
 
-    static object Process(object obj) 
+    /// 
+    /// Cloner which do deep copy of an array or class instance.
+    /// 
+    /// See Also:
+    /// 	http://www.codeproject.com/Articles/38270/Deep-copy-of-objects-in-C
+    /// 
+    /// CAUTION:
+    /// 	For an inheritance case, deep copying all member fields of the ancestor are not tested.
+    /// 
+    public class Cloner
     {
-        if(obj==null)
-            return null;
-        Type type=obj.GetType();
-        if(type.IsValueType || type==typeof(string)) 
+        public static T DeepCopy<T>(T obj)
         {
-            return obj;
+            if (obj == null)
+                throw new ArgumentNullException("Object cannot be null");
+            return (T)Process(obj);
         }
-        else if(type.IsArray) 
+
+        static object Process(object obj)
         {
-            Type elementType=Type.GetType(
-                 type.FullName.Replace("[]",string.Empty));
-            
-            var array=obj as Array;
-            Array copied=Array.CreateInstance(elementType,array.Length);
-            for(int i=0; i<array.Length; i++) 
+            if (obj == null)
+                return null;
+            Type type = obj.GetType();
+            if (type.IsValueType || type == typeof(string))
             {
-                copied.SetValue(Process(array.GetValue(i)),i);
+                return obj;
             }
-            return Convert.ChangeType(copied,obj.GetType());
-        }
-        else if(type.IsClass) 
-        {
-            object toret=Activator.CreateInstance(obj.GetType());
-
-            FieldInfo[] fields=type.GetFields(BindingFlags.Public | 
-                BindingFlags.NonPublic|BindingFlags.Instance);
+            else if (type.IsArray)
+            {
+                Type elementType = Type.GetType(
+                     type.FullName.Replace("[]", string.Empty));
 
-            foreach(FieldInfo field in fields) 
+                var array = obj as Array;
+                Array copied = Array.CreateInstance(elementType, array.Length);
+                for (int i = 0; i < array.Length; i++)
+                {
+                    copied.SetValue(Process(array.GetValue(i)), i);
+                }
+                return Convert.ChangeType(copied, obj.GetType());
+            }
+            else if (type.IsClass)
             {
-                object fieldValue=field.GetValue(obj);
-                if(fieldValue==null)
-                    continue;
-                field.SetValue(toret,Process(fieldValue));
+                object toret = Activator.CreateInstance(obj.GetType());
+
+                FieldInfo[] fields = type.GetFields(BindingFlags.Public |
+                    BindingFlags.NonPublic | BindingFlags.Instance);
+
+                foreach (FieldInfo field in fields)
+                {
+                    object fieldValue = field.GetValue(obj);
+                    if (fieldValue == null)
+                        continue;
+                    field.SetValue(toret, Process(fieldValue));
+                }
+                return toret;
             }
-            return toret;
+            else
+                throw new ArgumentException("Unknown type");
         }
-        else
-            throw new ArgumentException("Unknown type");
+
     }
-    
 }
\ No newline at end of file
diff --git a/Assets/QuickSheet/Util/CsvParser.cs b/Assets/QuickSheet/Util/CsvParser.cs
index b2b7143..07bd19a 100644
--- a/Assets/QuickSheet/Util/CsvParser.cs
+++ b/Assets/QuickSheet/Util/CsvParser.cs
@@ -4,130 +4,133 @@
 using System.IO;
 using System.Text;
 
-public enum TokenType
+namespace UnityQuicksheet
 {
-    Comma,
-    Quote,
-    Value
-}
-
-public class Token
-{
-    public Token(TokenType type, string value)
+    public enum TokenType
     {
-        Value = value;
-        Type = type;
+        Comma,
+        Quote,
+        Value
     }
 
-    public String Value { get; private set; }
-    public TokenType Type { get; private set; }
-}
-
-public class StreamTokenizer : IEnumerable<Token>
-{
-    private TextReader _reader;
-
-    public StreamTokenizer(TextReader reader)
+    public class Token
     {
-        _reader = reader;    
+        public Token(TokenType type, string value)
+        {
+            Value = value;
+            Type = type;
+        }
+
+        public String Value { get; private set; }
+        public TokenType Type { get; private set; }
     }
 
-    public IEnumerator<Token> GetEnumerator()
+    public class StreamTokenizer : IEnumerable<Token>
     {
-        String line;
-        StringBuilder value = new StringBuilder();
+        private TextReader _reader;
 
-        while ((line = _reader.ReadLine()) != null)
+        public StreamTokenizer(TextReader reader)
         {
-            foreach (Char c in line)
+            _reader = reader;
+        }
+
+        public IEnumerator<Token> GetEnumerator()
+        {
+            String line;
+            StringBuilder value = new StringBuilder();
+
+            while ((line = _reader.ReadLine()) != null)
             {
-                switch (c)
+                foreach (Char c in line)
                 {
-                    case '\'':
-                    case '"':
-                        if (value.Length > 0)
-                        {
-                            yield return new Token(TokenType.Value, value.ToString());
-                            value.Length = 0;
-                        }
-                        yield return new Token(TokenType.Quote, c.ToString());
-                        break;
-                    case ',':
-                       if (value.Length > 0)
-                        {
-                            yield return new Token(TokenType.Value, value.ToString());
-                            value.Length = 0;
-                        }
-                        yield return new Token(TokenType.Comma, c.ToString());
-                        break;
-                    default:
-                        value.Append(c);
-                        break;
+                    switch (c)
+                    {
+                        case '\'':
+                        case '"':
+                            if (value.Length > 0)
+                            {
+                                yield return new Token(TokenType.Value, value.ToString());
+                                value.Length = 0;
+                            }
+                            yield return new Token(TokenType.Quote, c.ToString());
+                            break;
+                        case ',':
+                            if (value.Length > 0)
+                            {
+                                yield return new Token(TokenType.Value, value.ToString());
+                                value.Length = 0;
+                            }
+                            yield return new Token(TokenType.Comma, c.ToString());
+                            break;
+                        default:
+                            value.Append(c);
+                            break;
+                    }
                 }
             }
         }
-    }
 
-    IEnumerator IEnumerable.GetEnumerator()
-    {
-        return GetEnumerator();
+        IEnumerator IEnumerable.GetEnumerator()
+        {
+            return GetEnumerator();
+        }
     }
-}
 
-public class CsvParser : IEnumerable<String>
-{
-    private StreamTokenizer _tokenizer;
-
-    public CsvParser(Stream data)
+    public class CsvParser : IEnumerable<String>
     {
-        _tokenizer = new StreamTokenizer(new StreamReader(data));
-    }
+        private StreamTokenizer _tokenizer;
 
-    public CsvParser(String data)
-    {
-        _tokenizer = new StreamTokenizer(new StringReader(data));
-    }
+        public CsvParser(Stream data)
+        {
+            _tokenizer = new StreamTokenizer(new StreamReader(data));
+        }
 
-    public IEnumerator<string> GetEnumerator()
-    {
-        Boolean inQuote = false;
-        StringBuilder result = new StringBuilder();
+        public CsvParser(String data)
+        {
+            _tokenizer = new StreamTokenizer(new StringReader(data));
+        }
 
-        foreach (Token token in _tokenizer)
+        public IEnumerator<string> GetEnumerator()
         {
-            switch (token.Type)
+            Boolean inQuote = false;
+            StringBuilder result = new StringBuilder();
+
+            foreach (Token token in _tokenizer)
             {
-                case TokenType.Comma:
-                    if (inQuote)
-                    {
+                switch (token.Type)
+                {
+                    case TokenType.Comma:
+                        if (inQuote)
+                        {
+                            result.Append(token.Value);
+                        }
+                        else
+                        {
+                            yield return result.ToString();
+                            result.Length = 0;
+                        }
+                        break;
+                    case TokenType.Quote:
+                        // Toggle quote state
+                        inQuote = !inQuote;
+                        break;
+                    case TokenType.Value:
                         result.Append(token.Value);
-                    }
-                    else
-                    {
-                        yield return result.ToString();
-                        result.Length = 0;
-                    }
-                    break;
-                case TokenType.Quote:
-                    // Toggle quote state
-                    inQuote = !inQuote;
-                    break;
-                case TokenType.Value:
-                    result.Append(token.Value);
-                    break;
-                default:
-                    throw new InvalidOperationException("Unknown token type: " +    token.Type);
+                        break;
+                    default:
+                        throw new InvalidOperationException("Unknown token type: " + token.Type);
+                }
+            }
+
+            if (result.Length > 0)
+            {
+                yield return result.ToString();
             }
         }
 
-        if (result.Length > 0)
+        IEnumerator IEnumerable.GetEnumerator()
         {
-            yield return result.ToString();
+            return GetEnumerator();
         }
     }
-
-    IEnumerator IEnumerable.GetEnumerator()
-    {
-        return GetEnumerator();
-    }
 }
\ No newline at end of file
diff --git a/Assets/QuickSheet/Util/Singleton.cs b/Assets/QuickSheet/Util/Singleton.cs
index ddd847b..41d20d8 100644
--- a/Assets/QuickSheet/Util/Singleton.cs
+++ b/Assets/QuickSheet/Util/Singleton.cs
@@ -1,33 +1,36 @@
 using UnityEngine;
 
-/// <summary>
-/// Singleton base class.
-/// Derive this class to make it Singleton.
-/// </summary>
-public class Singleton<T> : MonoBehaviour where T : MonoBehaviour
+namespace UnityQuicksheet
 {
-    protected static T instance;
- 
     /// <summary>
-    /// Returns the instance of this singleton.
+    /// Singleton base class.
+    /// Derive this class to make it Singleton.
     /// </summary>
-    public static T Instance
+    public class Singleton<T> : MonoBehaviour where T : MonoBehaviour
     {
-        get
+        protected static T instance;
+
+        /// <summary>
+        /// Returns the instance of this singleton.
+        /// </summary>
+        public static T Instance
         {
-            if(instance == null)
+            get
             {
-                instance = (T) FindObjectOfType(typeof(T));
- 
                 if (instance == null)
                 {
-                    GameObject obj = new GameObject(typeof(T).ToString());
-                    instance = obj.AddComponent<T>();				
-                    //Debug.LogError("An instance of " + typeof(T) + 
-                    //   " is needed in the scene, but there is none.");
+                    instance = (T)FindObjectOfType(typeof(T));
+
+                    if (instance == null)
+                    {
+                        GameObject obj = new GameObject(typeof(T).ToString());
+                        instance = obj.AddComponent<T>();
+                        //Debug.LogError("An instance of " + typeof(T) + 
+                        //   " is needed in the scene, but there is none.");
+                    }
                 }
+                return instance;
             }
-            return instance;
-      }
-   }
+        }
+    }
 }
\ No newline at end of file