Improve error message when 'x' has no observations

Bump version

Bump version and update news for CRAN release

Document using 'format' arg with getSymbols.csv

Update FRED csv url

Explicitly disable fancy quotes in test-Defaults

Use gate for code for use of '<'

Replace YHOO with AAPL

Bump dev version

Add missing link to PR

Update release date

Update tests to use 'tinytest' functions

Remove quantmod::as.zoo.data.frame() tests

Add missing unit test file paths

Begin migration to tinytest unit tests