Changed => to == on Modified-Since.
Always send Last-Modified-Header.
Added htmlentities() to verbose output.
Fixed support for jpeg, not only jpg.
Fixed crop whole image by setting crop=0,0,0,0
Use negative values for crop width & height to base calulation on original width/height and withdraw selected amount.
Correcting jpeg when setting quality.
Removed obsolete reference to $newName in CImage::__construct() (issue 1).