Add failing test - test_write_empty_file_from_list
Satisfied test_write_empty_file_from_list
Change write_from_list to use writelines()

Preparatory to passing in a completely translated list in order to write
a translated file.
Move tests from write_recipe to write_recipe_from_list

Getting ready to eliminate the original "write" in favor of "writelines"
Remove old write_recipe and associated dead tests

Tidying up before retro rename
Renamed write_recipe_from_list back to write_recipe
Refactoring assertFileHeaderWrittenFromList

Intermediate step
Finished refactoring assertFileHeaderWrittenFromList
Started on full write of recipe - copied over setUp and tearDown from test_write_recipe_file.py
Continue full write of recipe

Expanded assertFileWrittenFromList loop to include line items.
Change some "item" references to "ingredients"
More replacing "item" with "ingredient"
Modified README.md
Modified README.md
Pyflakes cleanup of test_write_recipe.py
Change more "item" references to "ingredient"
Added reference to write_file_instructions_from_list to existing test

Starting point for tomorrow. Includes adding expected instructions to
assert statement
Added write_instructions to recipe.py

Still failing tests.
Wrote with append on ingredients and instructions

Still in progress
Added .rstrip() and maxDiff = None to assertEqual on ingredients

Still in progress.