Some progress towards supporting reading the headers in read_csv
Simplify the dataload tests
Add basic support for header to read_csv
pep8ify
Fix remaining pep8 errors
Add an initial shell
rename shell
Make it easy to request more executor memory
CR feedback
Fix pep8 issues
Merge pull request #30 from holdenk/add-shell

Add shell
Merge in master
Merge pull request #28 from holdenk/improve-csv-loading-issue-21

Improve csv loading issue 21
Add a test for min and merge in master