inital commit for step tracer
added a test listener to test the step tracer
changed ArrayList to Vector and removed some printlns
inital commit for step tracer
added a test listener to test the step tracer
changed ArrayList to Vector and removed some printlns
renamed the step tracer class to follow convention of other classes
renamed the step tracer class to follow convention of other classes
added test code to the GUI
removing the step tracer class, because not necessary
removed step tracer
added a public queue to the main GUI file
added DataTracer GUI which displays data from a queue
commented out the steps testing code
Merge branch 'step-trace' of https://github.com/psmagicman/412-vpn into step-trace
Merge pull request #2 from psmagicman/step-trace

merge step-trace branch with master branch