Resolve "New KM3NeT Dataformat Release v2.0.0"

Closes #78

See merge request !55

Resolve "Hit time field is now tdc!"

Closes #77

See merge request !53

Update km3net dataformat

See merge request !51

Fallback to dictionary/tuple for invalid attributes

See merge request !50

Resolve "uproot4 integration"

Closes #58

See merge request !47

# Conflicts:
#   tests/test_tools.py