Added Value support to the Button's toggle state and TextEditor content. Refactored the atomic operation functions to live inside a class called Atomic, and the byte order functions into a class called ByteOrder.

src/native/windows/juce_win32_Threads.cpp

@@ -277,7 +277,7 @@ void Process::setPriority (ProcessPriority prior)
     }
 }
 
-bool JUCE_API JUCE_CALLTYPE juce_isRunningUnderDebugger()
+bool JUCE_PUBLIC_FUNCTION juce_isRunningUnderDebugger()
 {
     return IsDebuggerPresent() != FALSE;
 }