Idea: Set a keyframe range for start/finish

[sashaagafonoff]

It would be super helpful to be able to generate partial sections of a larger parseq document without needing to manage multiple versions. eg Generate from 1000-1250 would only push the data for that section (but any parameter values) which might be controlled from outside the bounds of that range would still apply:

From Deforum's perspective, it would just see frames 0-250, so that the same parseq publish URL could be used to generate sections at a time.
NOTE: there are still some things which would potentially be messed up, eg guided images schedules...

[sashaagafonoff]

...it might be helpful to allow retention of frame numbers and also to specify a job number so that generated image files can be dropped over an existing set of images in an older generation ie file name in new subset match those for that subset from a previous full range render