Tighten up output, remove unnecessary whitespace

Problem/Motivation

The output contains unwanted line wraps on some/most/all fields, which can break validation depending upon the specific field, e.g. pubdate.

Proposed resolution

Remove line breaks and other unwanted whitespace in all output.

Remaining tasks

Fix the output.

User interface changes

Output won't be broken by unwanted whitespace.

API changes

n/a

Data model changes

n/a