Added HEPTutorial (42) and an empty ROOT file (43).
0.3.7
Adds [uproot-issue510b.root](https://github.com/scikit-hep/scikit-hep-testdata/blob/master/src/skhep_testdata/data/uproot-issue510b.root) to test memberwise splitting.
0.3.6
Adds the file associated with scikit-hep/uproot513.
0.3.5
Added a file to test TLeafD32 and TLeafF16.
0.3.4
Put the big files back and see if we have our > 60 MB quota now.