Added the thread safe TSQueue and using it in mainwindow to replace the adhoc queue implementation.

Ivory.pro

@@ -12,7 +12,7 @@ TARGET = Ivory
 TEMPLATE = app
 
 INCLUDEPATH += C:\prog\include
-
+DEFINES += WIN32_LEAN_AND_MEAN
 LIBS += c:\prog\lib\libpq.lib
 
 SOURCES += main.cpp\
@@ -24,7 +24,10 @@ SOURCES += main.cpp\
     sqlhighlighter.cpp \
     jsoncpp.cpp \
     queryexplainmodel.cpp \
-    explaintreemodelitem.cpp
+    explaintreemodelitem.cpp \
+    asyncdbconnection.cpp \
+    tsqueue.cpp \
+    win32event.cpp
 
 HEADERS  += mainwindow.h \
     serverproperties.h \
@@ -33,7 +36,10 @@ HEADERS  += mainwindow.h \
     queryresultmodel.h \
     sqlhighlighter.h \
     queryexplainmodel.h \
-    explaintreemodelitem.h
+    explaintreemodelitem.h \
+    asyncdbconnection.h \
+    tsqueue.h \
+    win32event.h
 
 FORMS    += mainwindow.ui \
     serverproperties.ui