update example
Update README.md
refactor some duplicated logic.
readme changes.
move some complicated logic out into helper functions.
refactor duplicate code into single helper.
Merge pull request #32 from ledbettj/cleanup

Cleanup
rubocop is annoying.
fix rubocop violations.
Merge pull request #33 from ledbettj/cleanup-2

Cleanup 2
document JournalEntry a bit.
Merge pull request #34 from ledbettj/develop

minor code cleanup release