Add widthratio_tag tests
Add quote and unquote to detail
Defer to unquote in extract_string
Add pprint_filter tests
Add iriencode_filter test
Add now_tag tests
Formatting
Implement S specifier
Remove unused variable
Refactor and add is_absolute
Correct ssi_tag implementation
Add ssi_tag tests
Add more ssi_tag tests
Bump minor version