0.5.0

• Make placeholder method hookable (@SkyLundy)

0.4.0

• Add option to globally disable placeholder generation (@SkyLundy)

0.3.1

• Fix error when cloning page
• Ensure correct otuput formatting on save

0.3.0

• Cache generated placeholder data uris

0.2.0

• Allow clearing all placeholders at once
• Use Imagick to improve alpha channel accuracy

0.1.2

• Check for supported file formats
• Regenerate placeholder when replacing single image

0.1.1

• Allow generating missing placeholders for existing images
• Allow re-generating placeholders for all existing images
• Sanitize requested placeholder size

0.1.0

• Initial release