Parse event and game information
Call the new parsing function
Fix gameid type, it should be a13
Convert data to be turned into numpy arrays into tuples

Numpy wants each 'row' of data to be a tuple, so give it tuple(s).
Save the data

Preliminary run shows a 10x increase in size from the Retrosheet data to
the HDF5 file. I think I can decrease that a bit by converting a few
columns into ints instead of padded strings.