New branch for sequences API
Merge branch 'master' into sequence
Fix UnboundLocalError
Separate BaseImage superclass from Image
Basic sequence functionality
Helpful repr string
Fix segfault on destructor of Sequence
try to resize gif
gif blob
write file
rm traceback
add unit test & frame_num
typo...
fix test
add crop rotate
Merge remote-tracking branch 'upstream/master'
add sub
int
sub
typo