diff --git a/bin/data/packet/info.txt b/bin/data/packet/info.txt
new file mode 100644
index 0000000..9260d15
--- /dev/null
+++ b/bin/data/packet/info.txt
@@ -0,0 +1,12 @@
+This directory contains packets or packet parts.
+You can change them with a hex editor or similar,
+but BE SURE YOU KNOW WHAT YOU ARE DOING!
+
+
+
+
+Information about the files:
+
+addon_info.bin - contains the addon data sent to the server in the CMSG_AUTH_SESSION
+                 packet. (Appended to the normal packet)
+
diff --git a/src/Client/DefScript/TypeStorage.h b/src/Client/DefScript/TypeStorage.h
index 691b523..24206ae 100644
--- a/src/Client/DefScript/TypeStorage.h
+++ b/src/Client/DefScript/TypeStorage.h
@@ -99,7 +99,7 @@ template<class T> void TypeStorage<T>::Clear(bool keep)
         _storage.clear();
         return;
     }
-    for(_TypeIter it = _storage.begin(); it != _storage.end();)
+    for(_TypeIter it = _storage.begin(); it != _storage.end(); )
     {
         delete it->second;
         _storage.erase(it++);
@@ -123,7 +123,7 @@ template<class T> void TypeStorage<T>::Unlink(std::string s)
 // removes the pointer from the storage without deleting it, if name is unknown
 template<class T> void TypeStorage<T>::UnlinkByPtr(T *ptr)
 {
-    for(_TypeIter it = _storage.begin(); it != _storage.end();)
+    for(_TypeIter it = _storage.begin(); it != _storage.end(); it++)
     {
         if(it->second == ptr)
         {
@@ -135,7 +135,7 @@ template<class T> void TypeStorage<T>::UnlinkByPtr(T *ptr)
 
 template<class T> std::string TypeStorage<T>::GetNameByPtr(T *ptr)
 {
-    for(_TypeIter it = _storage.begin(); it != _storage.end();)
+    for(_TypeIter it = _storage.begin(); it != _storage.end(); it++)
     {
         if(it->second == ptr)
         {
diff --git a/src/shared/tools.cpp b/src/shared/tools.cpp
index e2cb6b7..eab59f0 100644
--- a/src/shared/tools.cpp
+++ b/src/shared/tools.cpp
@@ -248,4 +248,24 @@ std::string NormalizeFilename(std::string s)
     return s;
 }
 
-
+std::string FilesizeFormat(uint32 b)
+{
+    char buf[15];
+    if (b < 1024)
+    {
+        sprintf(buf,"%u B",b);
+    }
+    else if(b < 1024*1024)
+    {
+        sprintf(buf,"%.2f kB",(b / 1024.0f));
+    }
+    else if(b < 1024*1024*1024)
+    {
+        sprintf(buf,"%.2f MB",(b / double(1024*1024)));
+    }
+    else
+    {
+        sprintf(buf,"%.2f GB",(b / double(1024*1024*1024)));
+    }
+    return buf;
+}
diff --git a/src/shared/tools.h b/src/shared/tools.h
index 0396483..551a475 100644
--- a/src/shared/tools.h
+++ b/src/shared/tools.h
@@ -23,5 +23,6 @@ uint32 GetFileSize(const char*);
 void _FixFileName(std::string&);
 std::string _PathToFileName(std::string);
 std::string NormalizeFilename(std::string);
+std::string FilesizeFormat(uint32);
 
 #endif