Added
- Improved rich styling of attachments
- Implement parsing of FilingSummary
- Implement getting content of individual SGML reports
- Implement viewing individual attachments in the SGML report e.g. balance sheet, income statement, etc.
Changed
- `EDGAR_USE_LOCAL_DATA` now accepts more boolean values `'y', 'yes', 't', 'true', 'on', '1'` or `'n', 'no', 'f', 'false', 'off', '0'` to enable or disable local storage. This is to make it easier to set the environment variable in different environments.