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diff --git a/Prebuild/src/Core/Utilities/.svn/text-base/Helper.cs.svn-base b/Prebuild/src/Core/Utilities/.svn/text-base/Helper.cs.svn-base
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+#region BSD License
+/*
+Copyright (c) 2004-2005 Matthew Holmes (matthew@wildfiregames.com), Dan Moorehead (dan05a@gmail.com)
+
+Redistribution and use in source and binary forms, with or without modification, are permitted
+provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright notice, this list of conditions 
+  and the following disclaimer. 
+* Redistributions in binary form must reproduce the above copyright notice, this list of conditions 
+  and the following disclaimer in the documentation and/or other materials provided with the 
+  distribution. 
+* The name of the author may not be used to endorse or promote products derived from this software 
+  without specific prior written permission. 
+
+THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, 
+BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
+ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+#endregion
+
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.IO;
+using System.Runtime.InteropServices;
+using System.Text.RegularExpressions;
+using System.Collections.Specialized;
+using System.Xml;
+using Prebuild.Core.Nodes;
+
+namespace Prebuild.Core.Utilities
+{
+        /// <summary>
+        /// 
+        /// </summary>
+        public class Helper
+        {
+                #region Fields
+
+                static bool checkForOSVariables;
+
+                /// <summary>
+                /// 
+                /// </summary>
+                public static bool CheckForOSVariables
+                {
+                        get
+                        {
+                                return checkForOSVariables;
+                        }
+                        set
+                        {
+                                checkForOSVariables = value;
+                        }
+                }
+
+                #endregion
+        
+                #region Public Methods
+
+                #region String Parsing
+
+                public delegate string StringLookup(string key);
+
+                /// <summary>
+                /// Gets a collection of StringLocationPair objects that represent the matches
+                /// </summary>
+                /// <param name="target">The target.</param>
+                /// <param name="beforeGroup">The before group.</param>
+                /// <param name="afterGroup">The after group.</param>
+                /// <param name="includeDelimitersInSubstrings">if set to <c>true</c> [include delimiters in substrings].</param>
+                /// <returns></returns>
+                public static StringCollection FindGroups(string target, string beforeGroup, string afterGroup, bool includeDelimitersInSubstrings) 
+                {
+                        if( beforeGroup == null )
+                        {
+                                throw new ArgumentNullException("beforeGroup");
+                        }
+                        if( afterGroup == null )
+                        {
+                                throw new ArgumentNullException("afterGroup");
+                        }
+                        StringCollection results = new StringCollection();
+                        if(target == null || target.Length == 0)
+                        {
+                                return results;
+                        }
+
+                        int beforeMod = 0;
+                        int afterMod = 0;
+                        if(includeDelimitersInSubstrings) 
+                        {
+                                //be sure to not exlude the delims
+                                beforeMod = beforeGroup.Length;
+                                afterMod = afterGroup.Length;
+                        }
+                        int startIndex = 0;
+                        while((startIndex = target.IndexOf(beforeGroup,startIndex)) != -1) {
+                                int endIndex = target.IndexOf(afterGroup,startIndex);//the index of the char after it
+                                if(endIndex == -1)
+                                {
+                                        break;
+                                }
+                                int length = endIndex - startIndex - beforeGroup.Length;//move to the first char in the string
+                                string substring = substring = target.Substring(startIndex + beforeGroup.Length - beforeMod,
+                                        length - afterMod);
+
+                                results.Add(substring);
+                                //results.Add(new StringLocationPair(substring,startIndex));
+                                startIndex = endIndex + 1;
+                                //the Interpolate*() methods will not work if expressions are expandded inside expression due to an optimization
+                                //so start after endIndex
+                                
+                        }
+                        return results;
+                }
+
+                /// <summary>
+                /// Replaces the groups.
+                /// </summary>
+                /// <param name="target">The target.</param>
+                /// <param name="beforeGroup">The before group.</param>
+                /// <param name="afterGroup">The after group.</param>
+                /// <param name="lookup">The lookup.</param>
+                /// <returns></returns>
+                public static string ReplaceGroups(string target, string beforeGroup, string afterGroup, StringLookup lookup) {
+                        if( target == null )
+                        {
+                                throw new ArgumentNullException("target");
+                        }
+                        //int targetLength = target.Length;
+                        StringCollection strings = FindGroups(target,beforeGroup,afterGroup,false);
+                        if( lookup == null )
+                        {
+                                throw new ArgumentNullException("lookup");
+                        }
+                        foreach(string substring in strings) 
+                        {
+                                target = target.Replace(beforeGroup + substring + afterGroup, lookup(substring) );
+                        }
+                        return target;
+                }
+
+                /// <summary>
+                /// Replaces ${var} statements in a string with the corresonding values as detirmined by the lookup delegate
+                /// </summary>
+                /// <param name="target">The target.</param>
+                /// <param name="lookup">The lookup.</param>
+                /// <returns></returns>
+                public static string InterpolateForVariables(string target, StringLookup lookup) 
+                {
+                        return ReplaceGroups(target, "${" , "}" , lookup);
+                }
+
+                /// <summary>
+                /// Replaces ${var} statements in a string with the corresonding environment variable with name var
+                /// </summary>
+                /// <param name="target"></param>
+                /// <returns></returns>
+                public static string InterpolateForEnvironmentVariables(string target) 
+                {
+                        return InterpolateForVariables(target, new StringLookup(Environment.GetEnvironmentVariable));
+                }
+
+                #endregion
+
+                /// <summary>
+                /// Translates the value.
+                /// </summary>
+                /// <param name="translateType">Type of the translate.</param>
+                /// <param name="translationItem">The translation item.</param>
+                /// <returns></returns>
+                public static object TranslateValue(Type translateType, string translationItem)
+                {
+                        if(translationItem == null)
+                        {
+                                return null;
+                        }
+
+                        try
+                        {
+                                string lowerVal = translationItem.ToLower();
+                                if(translateType == typeof(bool))
+                                {
+                                        return (lowerVal == "true" || lowerVal == "1" || lowerVal == "y" || lowerVal == "yes" || lowerVal == "on");
+                                }
+                                else if(translateType == typeof(int))
+                                {
+                                        return (Int32.Parse(translationItem));
+                                }
+                                else
+                                {
+                                        return translationItem;
+                                }
+                        }
+                        catch(FormatException)
+                        {
+                                return null;
+                        }
+                }
+
+                /// <summary>
+                /// Deletes if exists.
+                /// </summary>
+                /// <param name="file">The file.</param>
+                /// <returns></returns>
+                public static bool DeleteIfExists(string file)
+                {
+                        string resFile = null;
+                        try
+                        {
+                                resFile = ResolvePath(file);
+                        }
+                        catch(ArgumentException)
+                        {
+                                return false;
+                        }
+
+                        if(!File.Exists(resFile))
+                        {
+                                return false;
+                        }
+
+                        File.Delete(resFile);
+                        return true;
+                }
+
+        static readonly char seperator = Path.DirectorySeparatorChar;
+
+                // This little gem was taken from the NeL source, thanks guys!
+                /// <summary>
+                /// Makes a relative path
+                /// </summary>
+                /// <param name="startPath">Path to start from</param>
+                /// <param name="endPath">Path to end at</param>
+                /// <returns>Path that will get from startPath to endPath</returns>
+                public static string MakePathRelativeTo(string startPath, string endPath)
+                {
+                        string tmp = NormalizePath(startPath, seperator);
+                        string src = NormalizePath(endPath, seperator);
+                        string prefix = "";
+
+                        while(true)
+                        {
+                                if((String.Compare(tmp, 0, src, 0, tmp.Length) == 0))
+                                {
+                                        string ret;
+                                        int size = tmp.Length;
+                                        if(size == src.Length)
+                                        {
+                                                return "./";
+                                        }
+                    if((src.Length > tmp.Length) && src[tmp.Length - 1] != seperator)
+                                        {
+                                        }
+                                        else
+                                        {
+                                                ret = prefix + endPath.Substring(size, endPath.Length - size);
+                                                ret = ret.Trim();
+                        if(ret[0] == seperator)
+                                                {
+                                                        ret = "." + ret;
+                                                }
+
+                                                return NormalizePath(ret);
+                                        }
+                                        
+                                }
+
+                                if(tmp.Length < 2)
+                                {
+                                        break;
+                                }
+
+                int lastPos = tmp.LastIndexOf(seperator, tmp.Length - 2);
+                int prevPos = tmp.IndexOf(seperator);
+
+                                if((lastPos == prevPos) || (lastPos == -1))
+                                {
+                                        break;
+                                }
+
+                                tmp = tmp.Substring(0, lastPos + 1);
+                                prefix += ".." + seperator.ToString();
+                        }
+
+                        return endPath;
+                }
+
+                /// <summary>
+                /// Resolves the path.
+                /// </summary>
+                /// <param name="path">The path.</param>
+                /// <returns></returns>
+                public static string ResolvePath(string path)
+                {
+                        string tmpPath = NormalizePath(path);
+                        if(tmpPath.Length < 1)
+                        {
+                                tmpPath = ".";
+                        }
+            
+                        tmpPath = Path.GetFullPath(tmpPath);
+                        if(!File.Exists(tmpPath) && !Directory.Exists(tmpPath))
+                        {
+                                throw new ArgumentException("Path could not be resolved: " + tmpPath);
+                        }
+
+                        return tmpPath;
+                }
+
+                /// <summary>
+                /// Normalizes the path.
+                /// </summary>
+                /// <param name="path">The path.</param>
+                /// <param name="separatorCharacter">The separator character.</param>
+                /// <returns></returns>
+                public static string NormalizePath(string path, char separatorCharacter)
+                {
+                        if(path == null || path == "" || path.Length < 1)
+                        {
+                                return "";
+                        }
+
+                        string tmpPath = path.Replace('\\', '/');
+                        tmpPath = tmpPath.Replace('/', separatorCharacter);
+                        return tmpPath;
+                }
+
+                /// <summary>
+                /// Normalizes the path.
+                /// </summary>
+                /// <param name="path">The path.</param>
+                /// <returns></returns>
+                public static string NormalizePath(string path)
+                {
+                        return NormalizePath(path, Path.DirectorySeparatorChar);
+                }
+        
+                /// <summary>
+                /// Ends the path.
+                /// </summary>
+                /// <param name="path">The path.</param>
+                /// <param name="separatorCharacter">The separator character.</param>
+                /// <returns></returns>
+                public static string EndPath(string path, char separatorCharacter)
+                {
+                        if(path == null || path == "" || path.Length < 1)
+                        {
+                                return "";
+                        }
+
+                        if(!path.EndsWith(separatorCharacter.ToString()))
+                        {
+                                return (path + separatorCharacter);
+                        }
+
+                        return path;
+                }
+
+                /// <summary>
+                /// Ends the path.
+                /// </summary>
+                /// <param name="path">The path.</param>
+                /// <returns></returns>
+                public static string EndPath(string path)
+                {
+                        return EndPath(path, Path.DirectorySeparatorChar);
+                }
+
+                /// <summary>
+                /// Makes the file path.
+                /// </summary>
+                /// <param name="path">The path.</param>
+                /// <param name="name">The name.</param>
+                /// <param name="ext">The ext.</param>
+                /// <returns></returns>
+                public static string MakeFilePath(string path, string name, string ext)
+                {
+                        string ret = EndPath(NormalizePath(path));
+            
+                        if( name == null )
+                        {
+                                throw new ArgumentNullException("name");
+                        }
+
+                        ret += name;
+                        if(!name.EndsWith("." + ext))
+                        {
+                                ret += "." + ext;
+                        }
+            
+            //foreach(char c in Path.GetInvalidPathChars())
+            //{
+            //    ret = ret.Replace(c, '_');
+            //}
+
+                        return ret;
+                }
+
+                /// <summary>
+                /// Makes the file path.
+                /// </summary>
+                /// <param name="path">The path.</param>
+                /// <param name="name">The name.</param>
+                /// <returns></returns>
+                public static string MakeFilePath(string path, string name)
+                {
+                        string ret = EndPath(NormalizePath(path));
+            
+                        if( name == null )
+                        {
+                                throw new ArgumentNullException("name");
+                        }
+
+                        ret += name;
+
+            //foreach (char c in Path.GetInvalidPathChars())
+            //{
+            //    ret = ret.Replace(c, '_');
+            //}
+
+                        return ret;
+                }
+
+                /// <summary>
+                /// 
+                /// </summary>
+                /// <param name="path"></param>
+                /// <returns></returns>
+                public static string MakeReferencePath(string path)
+                {
+                        string ret = EndPath(NormalizePath(path));
+
+            //foreach (char c in Path.GetInvalidPathChars())
+            //{
+            //    ret = ret.Replace(c, '_');
+            //}
+
+                        return ret;
+                }
+
+                /// <summary>
+                /// Sets the current dir.
+                /// </summary>
+                /// <param name="path">The path.</param>
+                public static void SetCurrentDir(string path)
+                {
+                        if( path == null )
+                        {
+                                throw new ArgumentNullException("path");
+                        }
+                        if(path.Length < 1)
+                        {
+                                return;
+                        }
+
+                        Environment.CurrentDirectory = path;
+                }
+
+                /// <summary>
+                /// Checks the type.
+                /// </summary>
+                /// <param name="typeToCheck">The type to check.</param>
+                /// <param name="attr">The attr.</param>
+                /// <param name="inter">The inter.</param>
+                /// <returns></returns>
+                public static object CheckType(Type typeToCheck, Type attr, Type inter)
+                {
+                        if(typeToCheck == null || attr == null)
+                        {
+                                return null;
+                        }
+
+                        object[] attrs = typeToCheck.GetCustomAttributes(attr, false);
+                        if(attrs == null || attrs.Length < 1)
+                        {
+                                return null;
+                        }
+                        if( inter == null )
+                        {
+                                throw new ArgumentNullException("inter");
+                        }
+
+                        if(typeToCheck.GetInterface(inter.FullName) == null)
+                        {
+                                return null;
+                        }
+
+                        return attrs[0];
+                }
+
+                /// <summary>
+                /// Attributes the value.
+                /// </summary>
+                /// <param name="node">The node.</param>
+                /// <param name="attr">The attr.</param>
+                /// <param name="def">The def.</param>
+                /// <returns></returns>
+                public static string AttributeValue(XmlNode node, string attr, string def)
+                {
+                        if( node == null )
+                        {
+                                throw new ArgumentNullException("node");
+                        }
+                        if(node.Attributes[attr] == null)
+                        {
+                                return def;
+                        }
+                        string val = node.Attributes[attr].Value;
+                        if(!CheckForOSVariables)
+                        {
+                                return val;
+                        }
+
+                        return InterpolateForEnvironmentVariables(val);
+                }
+
+                /// <summary>
+                /// Parses the boolean.
+                /// </summary>
+                /// <param name="node">The node.</param>
+                /// <param name="attr">The attr.</param>
+                /// <param name="defaultValue">if set to <c>true</c> [default value].</param>
+                /// <returns></returns>
+                public static bool ParseBoolean(XmlNode node, string attr, bool defaultValue) 
+                {
+                        if( node == null )
+                        {
+                                throw new ArgumentNullException("node");
+                        }
+                        if(node.Attributes[attr] == null)
+                        {
+                                return defaultValue;
+                        }
+                        return bool.Parse(node.Attributes[attr].Value);
+                }
+
+                /// <summary>
+                /// Enums the attribute value.
+                /// </summary>
+                /// <param name="node">The node.</param>
+                /// <param name="attr">The attr.</param>
+                /// <param name="enumType">Type of the enum.</param>
+                /// <param name="def">The def.</param>
+                /// <returns></returns>
+                public static object EnumAttributeValue(XmlNode node, string attr, Type enumType, object def)
+                {
+                        if( def == null )
+                        {
+                                throw new ArgumentNullException("def");
+                        }
+                        string val = AttributeValue(node, attr, def.ToString());
+                        return Enum.Parse(enumType, val, true);
+                }
+
+                /// <summary>
+                /// 
+                /// </summary>
+                /// <param name="assemblyName"></param>
+                /// <param name="projectType"></param>
+                /// <returns></returns>
+                public static string AssemblyFullName(string assemblyName, ProjectType projectType)
+                {
+                        return assemblyName + (projectType == ProjectType.Library ? ".dll" : ".exe");
+                }
+
+                #endregion
+        }
+}