Lots of refactoring in IntegrationGameModeBase

Source/Integration/DebugPrint.h

@@ -121,6 +121,13 @@ private:
 	// Truncate the console to a reasonable number of
 	// lines.  The length is hardwired.
 	void Truncate();
+
+	// Add a newline if there isn't one.  Returns true if it changed anything.
+	bool MaybeAppendNewline();
+
+	// Append text.  Returns true if it changed anything.
+	bool MaybeAppendText(const FString& text);
+
 public:
 	// Append a line of text to the console.
 	void Append(const FString& text);