sum column, rewriting config part for unit tests
basic test setup
making directory package
config to class
documenting, refactoring
a little more refactoring
refactoring, separating calculationg and rendering the results
cleaning, comments, fixed week day range, updated variable
cleaning: collect together for day, week, moneth, total in writeTotals()
taglist, extracted excel update, fixed update_by_tag
excel columns format
adding tests
test data