diff --git a/version0.1/nasal_hash.cpp b/version0.1/nasal_hash.cpp
deleted file mode 100644
index e4f0dcc..0000000
--- a/version0.1/nasal_hash.cpp
+++ /dev/null
@@ -1,467 +0,0 @@
-#ifndef __NASAL_HASH_CPP__
-#define __NASAL_HASH_CPP__
-
-#include "nasal_hash.h"
-#include "nasal_list.h"
-namespace nasal
-{
-
-NasalHash::NasalHash()
-{
-	head=new HashUnit;
-	head->data=NULL;
-	head->next=NULL;
-}
-
-NasalHash::NasalHash(NasalHash &Source)
-{
-	HashUnit *temp;
-	HashUnit *SourceTemp=Source.head;
-	
-	head=new HashUnit;
-	head->next=NULL;
-	head->data=NULL;
-	
-	temp=head;
-	while(SourceTemp->next)
-	{
-		SourceTemp=SourceTemp->next;
-		temp->next=new HashUnit;
-		temp=temp->next;
-		temp->Type=SourceTemp->Type;
-		temp->VarName=SourceTemp->VarName;
-		if(temp->Type=="int")
-		{
-			temp->data=new int;
-			*((int *)temp->data)=*((int *)SourceTemp->data);
-		}
-		else if(temp->Type=="float")
-		{
-			temp->data=new float;
-			*((float *)temp->data)=*((float *)SourceTemp->data);
-		}
-		else if(temp->Type=="double")
-		{
-			temp->data=new double;
-			*((double *)temp->data)=*((double *)SourceTemp->data);
-		}
-		else if(temp->Type=="char")
-		{
-			temp->data=new char;
-			*((char *)temp->data)=*((char *)SourceTemp->data);
-		}
-		else if(temp->Type=="long long int")
-		{
-			temp->data=new long long int;
-			*((long long int *)temp->data)=*((long long int *)SourceTemp->data);
-		}
-		else if(temp->Type=="string")
-		{
-			temp->data=new std::string;
-			*((std::string *)temp->data)=*((std::string *)SourceTemp->data);
-		}
-		else if(temp->Type=="array")
-		{
-			temp->data=new NasalList;
-			*((NasalList *)temp->data)=*((NasalList *)SourceTemp->data);
-		}
-		else if(temp->Type=="hash")
-		{
-			temp->data=new NasalHash;
-			*((NasalHash *)temp->data)=*((NasalHash *)SourceTemp->data);
-		}
-		temp->next=NULL;
-	}
-}
-
-NasalHash::~NasalHash()
-{
-	HashUnit *temp=head;
-	while(temp->next)
-	{
-		head=temp->next;
-		if(temp->data)
-		{
-			if(temp->Type=="int")
-				delete (int *)temp->data;
-			else if(temp->Type=="float")
-				delete (float *)temp->data;
-			else if(temp->Type=="double")
-				delete (double *)temp->data;
-			else if(temp->Type=="char")
-				delete (char *)temp->data;
-			else if(temp->Type=="long long int")
-				delete (long long int *)temp->data;
-			else if(temp->Type=="string")
-				delete (std::string *)temp->data;
-			else if(temp->Type=="array")
-				delete (NasalList *)temp->data;
-			else if(temp->Type=="hash")
-				delete (NasalHash *)temp->data;
-		}
-		delete temp;
-		temp=head;
-	}
-	if(temp->data)
-	{
-		if(temp->Type=="int")
-			delete (int *)temp->data;
-		else if(temp->Type=="float")
-			delete (float *)temp->data;
-		else if(temp->Type=="double")
-			delete (double *)temp->data;
-		else if(temp->Type=="char")
-			delete (char *)temp->data;
-		else if(temp->Type=="long long int")
-			delete (long long int *)temp->data;
-		else if(temp->Type=="string")
-			delete (std::string *)temp->data;
-		else if(temp->Type=="array")
-			delete (NasalList *)temp->data;
-		else if(temp->Type=="hash")
-			delete (NasalHash *)temp->data;
-	}
-	delete temp;
-}
-
-void NasalHash::PrintHash()
-{
-	HashUnit *temp=head;
-	std::cout<<"{ ";
-	while(temp->next)
-	{
-		temp=temp->next;
-		std::cout<<temp->VarName<<":";
-		if(temp->next)
-		{
-			if(temp->Type=="int")
-				std::cout<<*((int *)temp->data)<<", ";
-			else if(temp->Type=="float")
-				std::cout<<*((float *)temp->data)<<", ";
-			else if(temp->Type=="double")
-				std::cout<<*((double *)temp->data)<<", ";
-			else if(temp->Type=="char")
-				std::cout<<"\""<<*((char *)temp->data)<<"\", ";
-			else if(temp->Type=="long long int")
-				std::cout<<*((long long int *)temp->data)<<", ";
-			else if(temp->Type=="string")
-				std::cout<<"\""<<*((std::string *)temp->data)<<"\", ";
-			else if(temp->Type=="array")
-			{
-				((NasalList *)temp->data)->PrintList();
-				std::cout<<", ";
-			}
-			else if(temp->Type=="hash")
-			{
-				((NasalHash *)temp->data)->PrintHash();
-				std::cout<<", ";
-			}
-		}
-		else
-		{
-			if(temp->Type=="int")
-				std::cout<<*((int *)temp->data);
-			else if(temp->Type=="float")
-				std::cout<<*((float *)temp->data);
-			else if(temp->Type=="double")
-				std::cout<<*((double *)temp->data);
-			else if(temp->Type=="char")
-				std::cout<<"\""<<*((char *)temp->data)<<"\"";
-			else if(temp->Type=="long long int")
-				std::cout<<*((long long int *)temp->data);
-			else if(temp->Type=="string")
-				std::cout<<"\""<<*((std::string *)temp->data)<<"\"";
-			else if(temp->Type=="array")
-				((NasalList *)temp->data)->PrintList();
-			else if(temp->Type=="hash")
-				((NasalHash *)temp->data)->PrintHash();
-		}
-	}
-	std::cout<<"}";
-}
-
-void NasalHash::Append(const char *VariaName,void *AppendData,const char *TypeName)
-{
-	NasalHash TempHash;//sometimes user may use n.append(n)
-	if(TypeName=="hash")
-		TempHash=*((NasalHash *)AppendData);
-	HashUnit *temp=head;
-	while(temp->next)
-	{
-		temp=temp->next;
-	}
-	HashUnit *NewHashMember=new HashUnit;
-	NewHashMember->data=NULL;
-	temp->next=NewHashMember;
-	NewHashMember->VarName=VariaName;
-	NewHashMember->Type=TypeName;
-	if(TypeName=="int")
-	{
-		NewHashMember->data=new int;
-		*((int *)NewHashMember->data)=*((int *)AppendData);
-	}
-	else if(TypeName=="float")
-	{
-		NewHashMember->data=new float;
-		*((float *)NewHashMember->data)=*((float *)AppendData);
-	}
-	else if(TypeName=="double")
-	{
-		NewHashMember->data=new double;
-		*((double *)NewHashMember->data)=*((double *)AppendData);
-	}
-	else if(TypeName=="char")
-	{
-		NewHashMember->data=new char;
-		*((char *)NewHashMember->data)=*((char *)AppendData);
-	}
-	else if(TypeName=="long long int")
-	{
-		NewHashMember->data=new long long int;
-		*((long long int *)NewHashMember->data)=*((long long int *)AppendData);
-	}
-	else if(TypeName=="string")
-	{
-		NewHashMember->data=new std::string;
-		*((std::string *)NewHashMember->data)=*((std::string *)AppendData);
-	}
-	else if(TypeName=="array")
-	{
-		NewHashMember->data=new NasalList;
-		*((NasalList *)NewHashMember->data)=*((NasalList *)AppendData);
-	}
-	else if(TypeName=="hash")
-	{
-		NewHashMember->data=new NasalHash;
-		*((NasalHash *)NewHashMember->data)=TempHash;
-	}
-	else if(TypeName=="var")
-	{
-		NewHashMember->Type=(*(var *)AppendData).Type;
-		if((*(var *)AppendData).Type=="int")
-		{
-			NewHashMember->data=new int;
-			*((int *)NewHashMember->data)=*((int *)(*(var *)AppendData).data);
-		}
-		else if((*(var *)AppendData).Type=="float")
-		{
-			NewHashMember->data=new float;
-			*((float *)NewHashMember->data)=*((float *)(*(var *)AppendData).data);
-		}
-		else if((*(var *)AppendData).Type=="double")
-		{
-			NewHashMember->data=new double;
-			*((double *)NewHashMember->data)=*((double *)(*(var *)AppendData).data);
-		}
-		else if((*(var *)AppendData).Type=="char")
-		{
-			NewHashMember->data=new char;
-			*((char *)NewHashMember->data)=*((char *)(*(var *)AppendData).data);
-		}
-		else if((*(var *)AppendData).Type=="long long int")
-		{
-			NewHashMember->data=new long long int;
-			*((long long int *)NewHashMember->data)=*((long long int *)(*(var *)AppendData).data);
-		}
-		else if((*(var *)AppendData).Type=="string")
-		{
-			NewHashMember->data=new std::string;
-			*((std::string *)NewHashMember->data)=*((std::string *)(*(var *)AppendData).data);
-		}
-		else if((*(var *)AppendData).Type=="array")
-		{
-			NewHashMember->data=new NasalList;
-			*((NasalList *)NewHashMember->data)=*((NasalList *)(*(var *)AppendData).data);
-		}
-		else if((*(var *)AppendData).Type=="hash")
-		{
-			NewHashMember->data=new NasalHash;
-			*((NasalHash *)NewHashMember->data)=*((NasalHash *)(*(var *)AppendData).data);
-		}
-	}
-	NewHashMember->next=NULL;
-}
-int NasalHash::Contains(const char *VariaName)
-{
-	HashUnit *temp=head;
-	while(temp->next)
-	{
-		temp=temp->next;
-		if(temp->VarName==VariaName)
-			return 1;
-	}
-	return 0;
-}
-
-NasalList NasalHash::Keys()
-{
-	NasalList FeedBackList;
-	HashUnit *temp=head;
-	while(temp->next)
-	{
-		temp=temp->next;
-		FeedBackList.Append(&(temp->VarName),"string");
-	}
-	return FeedBackList;
-}
-
-void NasalHash::Delete(const char *VariaName)
-{
-	HashUnit *temp=head;
-	HashUnit *LastNode;
-	while(temp->next)
-	{
-		LastNode=temp;
-		temp=temp->next;
-		if(temp->VarName==VariaName)
-		{
-			LastNode->next=temp->next;
-			if(temp->Type=="int")
-				delete (int *)temp->data;
-			else if(temp->Type=="float")
-				delete (float *)temp->data;
-			else if(temp->Type=="double")
-				delete (double *)temp->data;
-			else if(temp->Type=="char")
-				delete (char *)temp->data;
-			else if(temp->Type=="long long int")
-				delete (long long int *)temp->data;
-			else if(temp->Type=="string")
-				delete (std::string *)temp->data;
-			else if(temp->Type=="array")
-				delete (NasalList *)temp->data;
-			else if(temp->Type=="hash")
-				delete (NasalHash *)temp->data;
-			delete temp;
-			return;
-		}
-	}
-	std::cout<<"[Error]: Could not find this element \""<<VariaName<<"\"."<<std::endl;
-	return;
-}
-
-NasalHash& NasalHash::operator=(const NasalHash &Source)
-{
-	HashUnit *temp=head;
-	HashUnit *SourceTemp=Source.head;
-	while(temp->next)
-	{
-		head=temp->next;
-		if(temp->data)
-		{
-			if(temp->Type=="int")
-				delete (int *)temp->data;
-			else if(temp->Type=="float")
-				delete (float *)temp->data;
-			else if(temp->Type=="double")
-				delete (double *)temp->data;
-			else if(temp->Type=="char")
-				delete (char *)temp->data;
-			else if(temp->Type=="long long int")
-				delete (long long int *)temp->data;
-			else if(temp->Type=="string")
-				delete (std::string *)temp->data;
-			else if(temp->Type=="array")
-				delete (NasalList *)temp->data;
-			else if(temp->Type=="hash")
-				delete (NasalHash *)temp->data;
-		}
-		delete temp;
-		temp=head;
-	}
-	if(temp->data)
-	{
-		if(temp->Type=="int")
-			delete (int *)temp->data;
-		else if(temp->Type=="float")
-			delete (float *)temp->data;
-		else if(temp->Type=="double")
-			delete (double *)temp->data;
-		else if(temp->Type=="char")
-			delete (char *)temp->data;
-		else if(temp->Type=="long long int")
-			delete (long long int *)temp->data;
-		else if(temp->Type=="string")
-			delete (std::string *)temp->data;
-		else if(temp->Type=="array")
-			delete (NasalList *)temp->data;
-		else if(temp->Type=="hash")
-			delete (NasalHash *)temp->data;
-	}
-	delete temp;
-	head=new HashUnit;
-	head->next=NULL;
-	
-	temp=head;
-	while(SourceTemp->next)
-	{
-		SourceTemp=SourceTemp->next;
-		temp->next=new HashUnit;
-		temp=temp->next;
-		temp->Type=SourceTemp->Type;
-		temp->VarName=SourceTemp->VarName;
-		if(temp->Type=="int")
-		{
-			temp->data=new int;
-			*((int *)temp->data)=*((int *)SourceTemp->data);
-		}
-		else if(temp->Type=="float")
-		{
-			temp->data=new float;
-			*((float *)temp->data)=*((float *)SourceTemp->data);
-		}
-		else if(temp->Type=="double")
-		{
-			temp->data=new double;
-			*((double *)temp->data)=*((double *)SourceTemp->data);
-		}
-		else if(temp->Type=="char")
-		{
-			temp->data=new char;
-			*((char *)temp->data)=*((char *)SourceTemp->data);
-		}
-		else if(temp->Type=="long long int")
-		{
-			temp->data=new long long int;
-			*((long long int *)temp->data)=*((long long int *)SourceTemp->data);
-		}
-		else if(temp->Type=="string")
-		{
-			temp->data=new std::string;
-			*((std::string *)temp->data)=*((std::string *)SourceTemp->data);
-		}
-		else if(temp->Type=="array")
-		{
-			temp->data=new NasalList;
-			*((NasalList *)temp->data)=*((NasalList *)SourceTemp->data);
-		}
-		else if(temp->Type=="hash")
-		{
-			temp->data=new NasalHash;
-			*((NasalHash *)temp->data)=*((NasalHash *)SourceTemp->data);
-		}
-		temp->next=NULL;
-	}
-	return *this;
-}
-
-HashUnit NasalHash::SearchElement(std::string &ElementName)
-{
-	HashUnit *temp=head;
-	while(temp->next)
-	{
-		temp=temp->next;
-		if(temp->VarName==ElementName)
-			return *temp;
-	}
-	std::cout<<"[Error] Could not find \""<<ElementName<<"\""<<std::endl;
-	HashUnit nil_hash;
-	nil_hash.data=NULL;
-	nil_hash.next=NULL;
-	nil_hash.Type="null";
-	nil_hash.VarName="null";
-	return nil_hash;
-}
-
-}
-#endif