Snap! Debugging Guide Video
Snap! file used in demo:
Outline of video:
[0:37] expecting ... but got...
[2:27] variable not in scope
[4:32] reporter didn't report
[7:46] command block reporting (doesn't error but don't do this)
[9:42] infinite loop (also doesn't show error); visible stepping and say/show variable to track variables
[16:05] search bar, keyboard typing, right click -> relabel, changing command -> reporter
