base commit (empty)
set up .gitignore
make reduced version of Bre...ent.xlsx

This script makes a tiny version of the file
BreastLinesFirstBatch_MGHData_sent.xlsx (to speed-up the code/test
cycle) by removing most rows from its largest worksheets.  Reduced
version saved in bl1.xlsx.
read MGH data into pandas
implement reader of tsv into pandas
read JR's data into pandas
document data files
document dataframes
update .gitignore policy
read SC's data into pandas
tweak header of Data_Sameer.tsv
fixed merge conflict