vstack_params_where_state now uses *args correctly
Fuel Quantity Low derived parameter, test and associate KPV duration and test.
test added for previous commit - Fuel Qty Low Duration
Merge branch 'master' of github.com:FlightDataServices/FlightDataAnalyzer
Stable Approach test cases updated to reflect increased values of Airspeed and Vertical Speed
Removed duplicate TAWS Alert Duration KPV
Split segments account for when Heading is not available fall back to Heading True - one of these MUST be available.
Split Segments raises TimebaseError upon detecting dates in the future or more than 5 years in the past (configured by setting).
Should datetime calculated be in the future:
1) First try to take one day off (when no 'Day' parameter recorded and therefore it can be assumed that no date is recorded, only time - or no date or time in which case one day ago is more likely).
2) Try to take one year off (when no 'Year' parameter is recorded).
Merge branch 'master' of github.com:FlightDataServices/FlightDataAnalyzer