v0.4

Features:

• a configuration option for the maximum number of pixels in an image as a prevention of PNG decompression bombs

Bug fixes:

• nicer error message when connecting to redis fails

v0.3

upload authentication requires signing the request using a secret key

v0.2

• text overlays
• advanced position for watermarks and text overlays
• Google Cloud Storage support
• bugfixes

v0.1

First public release