Flooding should only happen if it's not known by the switch.
Merge branch 'master' of https://github.com/OMS6250/gt-cs6250
Fix bug identified by students and confirmed by grader Jobin.
Add file output to print_switch_tables for ease of grading
Merge pull request #4 from ceeeKay/master

Add file output to print_switch_tables for ease of grading
Merge remote-tracking branch 'upstream/master'