Addition of the range state window (it sort of works now too!),

refactoring of some DBC code, fixed some DBC calcs, fixed a bug in the
frame playback window, incremented version number to show that a lot
has been done.

rangestatewindow.h

@@ -0,0 +1,39 @@
+#ifndef RANGESTATEWINDOW_H
+#define RANGESTATEWINDOW_H
+
+#include <QDialog>
+#include "can_structs.h"
+
+namespace Ui {
+class RangeStateWindow;
+}
+
+class RangeStateWindow : public QDialog
+{
+    Q_OBJECT
+
+public:
+    explicit RangeStateWindow(const QVector<CANFrame> *frames, QWidget *parent = 0);
+    ~RangeStateWindow();
+    void showEvent(QShowEvent*);
+
+private slots:
+    void updatedFrames(int);
+    void recalcButton();
+
+private:
+    Ui::RangeStateWindow *ui;
+    const QVector<CANFrame> *modelFrames;
+    QVector<CANFrame> frameCache;
+    QHash<int, bool> idFilters;
+
+    void refreshFilterList();
+    void closeEvent(QCloseEvent *event);
+    void readSettings();
+    void writeSettings();
+    void signalsFactory();
+    void processSignal(int startBit, int bitLength, int sensitivity, bool bigEndian, bool isSigned);
+    void createGraph(QVector<int> values);
+};
+
+#endif // RANGESTATEWINDOW_H