#15 Crash occurs when timestamp misses a colon (:) symbol

[s3445816]

The software will crash if you attempt to remove a colon ":" symbol from one of the timestamp and proceed to choose other lines, or proceed as if nothing happens. Then the software will crash.

[dayglo]

milliseconds are now optional. have also added two error traps.
1) if the sub title number is not a number then the parser continues.
2) if the timestamps does not match
\d{2}:\d{2}:\d{2}(,\d{3})? --> \d{2}:\d{2}:\d{2}(,\d{3})?
then the parser continues