- Add `output_dir` to cli argument
- This argument allows you to save output files in a special folder, not just current dir
- Refactor 'cli.rs'
- Add `Builder` for `AppConfig`
- Add `Error` instead separated panics
- Upgrade dependencies
- display of partial downloads in the summary
- custom file name that is displayed after the summary ensuring it is visible
- log-to-file flag which specifies that logs will be sent to the default directory
- verbose flag (v) used to configure the log levels
- disabling the progress bars when logging to the terminal is active
This change allows for parallel downloads of HTML pages upto a maximum
number of concurrent HTTP requests which is more efficient than
before where all HTTP requests are likely to begin at the same time.
- Prevent downloading images with base64 strings as the source
- Add escaping of quotation characters in the serializer
- Disable redirects when downloading images which fails on multiple sites
- Remove invalid characters for making the epub export file name
- Fix version number in release
