At this point in time you should:

Checklist:

You should check in your source code to wig/src. You should also detail your progress for each of the steps above in reports/scanparse.txt. Remember that if you write your milestone report well enough then you can likely reuse portions of it in your final project report. This is a fairly considerable milestone and you will not be able to finish it in one day. Remember that successfully completing the milestones is a key factor in completing the WIG project, and that timely completion of milestones is part of the grade for the course.