Making publication time more specific
Represent file columns as YAML

This is a better approach than creating a big CSV, with the advantage
of being more verbose and flexible.
Create AWK recipes
Fix mistakes in the start elements
Do the math on 1/2 of the file size

Closes #1.
Use a better variable name for the output dir
Fix broken URL
Fix variable assignment
Turn tables file into CSV

Per #5.
Ignore data files
Add YAML-parsing function

Towards supporting #5.
Move tabular data stanza below all file creation

Per #5
Start on using the parse_yaml function

Instead of manually writing the conversion code, we should be
generating it from YAML. Per #5.
Be more verbose in script output
Eliminate top-level element names
Start creating a file extractor and converter in Python

Per #6.
Change YAML format

The “field” elements added nothing, and made it more confusing to
iterate through the array in Python.
Eliminate Bash script

All functionality now exists in `file_extractor.py`.
Set script-wide variables.
Create the output directory