Resolved :  level04, lesson16, task02
Resolved :  level04, lesson16, task02 (removed unused variable)
Resolved :  level04, lesson16, task03
Resolved :  level04, lesson16, task04
Resolved :  level05, lesson05, task01
Resolved :  level05, lesson05, task03
Resolved :  level05, lesson05, task04
Resolved :  level05, lesson05, task02
Resolved :  level05, lesson05, task05
Merge remote-tracking branch 'origin/master'