Livef1

- Fix in RealTimeClient's default logging function.

- The error of parsing "TimingData" in records where "Lines" key is not present is fixed.
- RealTime Client's callback functions now have topic information as well. Please check the new examples here: [example-complete-real-time-client](http://livef1.goktugocal.com/user_guide/realtime_data.html#example-complete-real-time-client)

- Lap deletion information added to session.laps table.

- minor fix in laps generation

- Sector numbers in the original data was not accurate, they are aligned.

- Driver class's attributes are not available in every season. Attributes' deafults have been set to None