changed default cfg_scale to a higher value

Adds a "samples filename format" option in the settings. This format can be defined by tags for maximum flexibility and scalability.

fixed broken empty directory when prompt does not start withl etter

added new features to the list.

fix writing empty prompt pictures to rroot directory instead of 'empty'
suppress 'Denoising strength change factor' text inimage info unless using loopback mode

added a different workaround for gradio mask bug with info in UI
switched to newer gradio version