OpenSlide Python 0.4.0

• Require OpenSlide 3.3.0
• Rename "layer" to "level" throughout API
• Provide OpenSlide version in openslide.__library_version__
• Properly report openslide_open() errors on OpenSlide 3.3.0
• Fix library loading on Mac OS X

OpenSlide Python 0.3.0

• Fix segfault if properties/associated images accessed after OpenSlide is closed
• Add methods to get Deep Zoom tile coordinates and dimensions
• Fix loading libopenslide on Windows
• Fix for large JPEG tiles in example Deep Zoom tilers
• Make example static tiler output self-contained

OpenSlide Python 0.2.0

• Initial library release
• Example static Deep Zoom tiler and web viewer applications