diff --git a/pykd/pydbgeng.h b/pykd/pydbgeng.h
index 50ccc1d..f7602ba 100644
--- a/pykd/pydbgeng.h
+++ b/pykd/pydbgeng.h
@@ -298,7 +298,7 @@ std::wstring getExtensionSearchPath()
 }
 
 inline
-kdlib::EXTENSION_ID loadExtension(const std::wstring &extPath ) 
+kdlib::EXTENSION_ID loadExtension( const std::wstring &extPath ) 
 {
     AutoRestorePyState  pystate;
     return kdlib::loadExtension(extPath);
@@ -311,6 +311,13 @@ void removeExtension( kdlib::EXTENSION_ID extId )
     kdlib::removeExtension(extId);
 }
 
+inline
+void removeExtension( const std::wstring &extPath ) 
+{
+    AutoRestorePyState  pystate;
+    kdlib::removeExtension(extPath);
+}
+
 inline
 std::wstring callExtension( kdlib::EXTENSION_ID extId, const std::wstring command, const std::wstring  &params )
 {
diff --git a/pykd/pymod.cpp b/pykd/pymod.cpp
index d1f321f..b8ba770 100644
--- a/pykd/pymod.cpp
+++ b/pykd/pymod.cpp
@@ -90,7 +90,7 @@ BOOST_PYTHON_MODULE( pykd )
     kdlib::dbgerr = &sysPykdErr;
     kdlib::dbgin = &sysPykdIn;
 
-    python::scope().attr("version") = pykdVersion;
+    python::scope().attr("__version__") = pykdVersion;
 
     python::def( "initialize", &kdlib::initialize,
         "Initialize debug engine, only for console mode" );
@@ -104,8 +104,10 @@ BOOST_PYTHON_MODULE( pykd )
         "Return the extension DLL search path" );
     python::def( "loadExt", pykd::loadExtension,
         "Load a WinDBG extension. Return handle of the loaded extension" );
-    python::def( "removeExt", pykd::removeExtension,
-        "Unload a WinDBG extension. Parameters: handle returned by loadExt" );
+    python::def( "removeExt", (void(*)(kdlib::EXTENSION_ID))&pykd::removeExtension,
+        "Unload a WinDBG extension. Parameter: handle returned by loadExt" );
+    python::def( "removeExt", (void (*)(const std::wstring& ))&pykd::removeExtension,
+        "Unload a WinDBG extension. Parameter: extension path" );
     python::def( "callExt", pykd::callExtension,
         "Call a WinDBG extension's routine. Parameters: handle returned by loadExt; string command line" );
 
diff --git a/snippets/avl.py b/snippets/avl.py
new file mode 100644
index 0000000..5b2efbf
--- /dev/null
+++ b/snippets/avl.py
@@ -0,0 +1,67 @@
+#
+#
+#
+
+import sys
+import re
+
+from pykd import isWindbgExt
+from pykd import dprintln
+from pykd import expr
+from pykd import typedVar
+from pykd import typeInfo
+from pykd import addr64
+from pykd import sizeof
+
+
+def addTableChilds( table, links ):
+   
+    table.append( links.getAddress() + sizeof( "nt!_RTL_BALANCED_LINKS" ) )
+
+    if links.LeftChild != 0:
+        addTableChilds( table, typedVar("nt!_RTL_BALANCED_LINKS", links.LeftChild) )
+    if links.RightChild != 0:
+        addTableChilds( table, typedVar("nt!_RTL_BALANCED_LINKS", links.RightChild) )       
+
+
+def getAVLTable( addr ):
+
+    table = []
+    avl = typedVar( "nt!_RTL_AVL_TABLE", addr )
+    addTableChilds( table, avl.BalancedRoot )
+    return table
+
+
+def printUsage():
+    dprintln( "!py avl [addr] (type)")
+
+
+if __name__ == "__main__":
+
+    if len( sys.argv ) < 2:
+        printUsage()
+        quit(0)
+   
+    showAll = False
+    args = sys.argv
+    if '-a' in args:
+        args.remove('-a')
+        showAll = True
+        
+    items = getAVLTable( addr64( expr( sys.argv[1] ) ) )       
+        
+    if showAll:
+        if len( sys.argv ) == 2:
+            dprintln( "\n".join( [ "<link cmd=\"db 0x%x\">db 0x%x</link>" % (  entry, entry ) for entry in items ] ), True )
+        else:
+            ti = typeInfo(sys.argv[2])
+            dprintln( "\n".join( [ "<link cmd=\"dt %s 0x%x\">dt %s</link>\n%s" % ( sys.argv[2], entry, sys.argv[2], typedVar(ti, entry) ) for entry in items ] ), True )  
+    
+    else:
+        if len( sys.argv ) == 2:
+            dprintln( "\n".join( [ "<link cmd=\"db 0x%x\">db 0x%x</link>" % (  entry, entry ) for entry in items ] ), True )
+        else:
+            dprintln( "\n".join( [ "<link cmd=\"dt %s 0x%x\">dt %s</link>" % ( sys.argv[2], entry, sys.argv[2] ) for entry in items ] ), True )
+ 
+
+