Added the ability to track which direction frames are coming from

(from us or to us), import that detail from file formats that support
it, save it to file formats that support it. Also some bug fixes.

serialworker.cpp

@@ -155,11 +155,13 @@ void SerialWorker::sendFrame(const CANFrame *frame, int bus = 0)
     QByteArray buffer;
     int c;
     int ID;
+    CANFrame tempFrame = *frame;
+    tempFrame.isReceived = false;
 
     //qDebug() << "Sending out frame with id " << frame->ID;
 
-    //show our sent frames in the list too. This happens even if we're not connected.
-    canModel->addFrame(*frame, false);
+    //show our sent frames in the list too. This happens even if we're not connected.    
+    canModel->addFrame(tempFrame, false);
     gotFrames++;
 
     if (!connected) return;
@@ -310,6 +312,7 @@ void SerialWorker::procRXChar(unsigned char c)
                 //qDebug() << "emit from serial handler to main form id: " << buildFrame->ID;
                 if (capturing)
                 {
+                    buildFrame->isReceived = true;
                     canModel->addFrame(*buildFrame, false);
                     gotFrames++;
                     if (buildFrame->ID == targetID) emit gotTargettedFrame(canModel->rowCount() - 1);
@@ -445,7 +448,7 @@ void SerialWorker::handleTick()
     emit frameUpdateTick(framesPerSec / 4, gotFrames); //sends stats to interested parties
     canModel->sendBulkRefresh(gotFrames);
     gotFrames = 0;    
-    if (doValidation && connected) sendCommValidation();
+    if (doValidation && serial) sendCommValidation();
 }
 
 void SerialWorker::handleReconnect()