Bug Fix

• Fix of np_to_pil in case float input but in a correct range (#199)
• Fix tiles extractor checking if the tile size is larger than the slide size (#202)
• Fix RandomTiler border wackiness extraction (#203)

New Features

• New parameter tissue_percent for all the tilers' to be used during the has_enough_tissue check (#204)
• Expose wsi properties. The Slide.properties returns the whole OpenSlide WSI properties (#209)
• Allow negative indexing for slide.level (#210)
• New Filter Protocol available (#213)

Breaking Changes

• Remove pen marks filter (#201)