diff --git a/.hgignore b/.hgignore
new file mode 100644
index 0000000..dfd2cff
--- /dev/null
+++ b/.hgignore
@@ -0,0 +1 @@
+QtC-pvData.creator.user
diff --git a/pvDataApp/Makefile b/pvDataApp/Makefile
index 89e3d6d..8b5bc4b 100644
--- a/pvDataApp/Makefile
+++ b/pvDataApp/Makefile
@@ -41,6 +41,7 @@ LIBSRCS += timeFunction.cpp
 LIBSRCS += timer.cpp
 LIBSRCS += queueVoid.cpp
 LIBSRCS += messageQueue.cpp
+LIBSRCS += StatusCreateFactory.cpp
 
 SRC_DIRS += $(PVDATA)/pv
 
@@ -83,7 +84,6 @@ LIBSRCS += PVDataCreateFactory.cpp
 LIBSRCS += Convert.cpp
 LIBSRCS += StandardField.cpp
 LIBSRCS += StandardPVField.cpp
-LIBSRCS += StatusCreateFactory.cpp 
 
 SRC_DIRS += $(PVDATA)/property
 
diff --git a/pvDataApp/factory/StatusCreateFactory.cpp b/pvDataApp/misc/StatusCreateFactory.cpp
similarity index 93%
rename from pvDataApp/factory/StatusCreateFactory.cpp
rename to pvDataApp/misc/StatusCreateFactory.cpp
index f18a0f9..a87563a 100644
--- a/pvDataApp/factory/StatusCreateFactory.cpp
+++ b/pvDataApp/misc/StatusCreateFactory.cpp
@@ -8,7 +8,7 @@
 #include <cstdlib>
 #include <string>
 #include <cstdio>
-#include <lock.h>
+#include "lock.h"
 #include "factory.h"
 #include "byteBuffer.h"
 #include "showConstructDestruct.h"
@@ -53,6 +53,13 @@ class StatusImpl : public Status
 {
     public:
     
+    StatusImpl(StatusType type, String message) :
+        m_type(type), m_message(message)
+    {
+        Lock xx(globalMutex);
+        totalConstruct++;
+    }
+
     StatusImpl(StatusType type, String message, String stackDump) :
         m_type(type), m_message(message), m_stackDump(stackDump)
     {
@@ -150,13 +157,18 @@ class StatusCreateImpl : public StatusCreate {
         m_ok = createStatus(STATUSTYPE_OK, "OK", 0);
     }
 
+    ~StatusCreateImpl()
+    {
+        delete m_ok;
+    }
+    
     virtual Status* getStatusOK() {
         return m_ok;
     }
         	
     virtual Status* createStatus(StatusType type, String message, BaseException* cause) {
         if (cause == 0)
-            return new StatusImpl(type, message, "");
+            return new StatusImpl(type, message);
         else
         {
             std::string stackDump;
diff --git a/pvDataApp/misc/bitSet.cpp b/pvDataApp/misc/bitSet.cpp
index 0948c55..dec41dc 100644
--- a/pvDataApp/misc/bitSet.cpp
+++ b/pvDataApp/misc/bitSet.cpp
@@ -7,19 +7,63 @@
 #include "string.h"
 #include "stdio.h"
 #include "bitSet.h"
+#include "lock.h"
 
 namespace epics { namespace pvData {
 
+    //static DebugLevel debugLevel = lowDebug;
+    
+    static volatile int64 totalConstruct = 0;
+    static volatile int64 totalDestruct = 0;
+    static Mutex *globalMutex = 0;
+    
+    static int64 getTotalConstruct()
+    {
+        Lock xx(globalMutex);
+        return totalConstruct;
+    }
+    
+    static int64 getTotalDestruct()
+    {
+        Lock xx(globalMutex);
+        return totalDestruct;
+    }
+    
+    static ConstructDestructCallback *pConstructDestructCallback;
+    
+    static void init()
+    {
+         static Mutex mutex = Mutex();
+         Lock xx(&mutex);
+         if(globalMutex==0) {
+            globalMutex = new Mutex();
+            pConstructDestructCallback = new ConstructDestructCallback(
+                String("bitSet"),
+                getTotalConstruct,getTotalDestruct,0);
+         }
+    }
+    
     BitSet::BitSet() : words(0), wordsLength(0), wordsInUse(0) {
         initWords(BITS_PER_WORD);
+
+        init();
+        Lock xx(globalMutex);
+        totalConstruct++;
     }
 
     BitSet::BitSet(uint32 nbits) : words(0), wordsLength(0), wordsInUse(0) {
         initWords(nbits);
+
+        init();
+        Lock xx(globalMutex);
+        totalConstruct++;
     }
 
     BitSet::~BitSet() {
         delete words;
+
+        Lock xx(globalMutex);
+        totalDestruct++;
     }
 
     void BitSet::initWords(uint32 nbits) {
@@ -315,8 +359,6 @@ namespace epics { namespace pvData {
         return !(*this == set);
     }
 
-    void BitSet::toString(StringBuilder buffer) { toString(buffer, 0); }
-
     void BitSet::toString(StringBuilder buffer, int indentLevel) const
     {
         *buffer += '{';
diff --git a/pvDataApp/misc/bitSet.h b/pvDataApp/misc/bitSet.h
index f477e1c..982f5f3 100644
--- a/pvDataApp/misc/bitSet.h
+++ b/pvDataApp/misc/bitSet.h
@@ -8,6 +8,8 @@
 #define BITSET_H
 #include <stdexcept>
 #include <pvType.h>
+#include "factory.h"
+#include "showConstructDestruct.h"
 //#include "byteBuffer.h"
 //#include "serialize.h"
 namespace epics { namespace pvData { 
@@ -213,9 +215,7 @@ namespace epics { namespace pvData {
 
         bool operator!=(const BitSet &set) const;
 
-        void toString(StringBuilder buffer);
-
-        void toString(StringBuilder buffer, int indentLevel) const;
+        void toString(StringBuilder buffer, int indentLevel = 0) const;
 
     private:
 
diff --git a/pvDataApp/misc/status.h b/pvDataApp/misc/status.h
index 5e9b38b..0334acd 100644
--- a/pvDataApp/misc/status.h
+++ b/pvDataApp/misc/status.h
@@ -95,7 +95,7 @@ namespace epics { namespace pvData {
         	 * @param cause exception that caused an error. Optional.
         	 * @return status instance.
         	 */
-        	virtual Status* createStatus(StatusType type, String message, BaseException* cause) = 0;
+        	virtual Status* createStatus(StatusType type, String message, BaseException* cause = 0) = 0;
         	
         	/**
         	 * Deserialize status.
diff --git a/testApp/misc/testBitSet.cpp b/testApp/misc/testBitSet.cpp
index 15eda03..82c3067 100644
--- a/testApp/misc/testBitSet.cpp
+++ b/testApp/misc/testBitSet.cpp
@@ -11,8 +11,8 @@
 #include <stddef.h>
 #include <string.h>
 #include <stdio.h>
-#include "bitSet.h"
-
+#include <bitSet.h>
+#include <showConstructDestruct.h>
 
 #include <epicsAssert.h>
 
@@ -143,6 +143,7 @@ int main(int argc,char *argv[])
 {
     testGetSetClearFlip();
     testOperators();
+    //getShowConstructDestruct()->constuctDestructTotals(stdout);
     return(0);
 }