some tests, a small fix
preliminary progress
updated for stream to stream
full integration with s3
versioning up
handle the case where neither a new height or a new width is specified
hotfix patch extension for this release for a needed bug fix
multiple image format support (gif/jpg/png)
moved path operations into a separate namespace
version bump for release
less random output, more error info
ALPHA channel support now working
fix for jpeg regression
various bug fixes
image ops branch
fixed errors when asset-root is nil
updated tests to new function locations
fixed typo
image ops ready for master