v0.9.1 -> v0.9.2

compute duration using CV instead of ffmpeg - saves compute time

fixed long video processing bug

added parameter for ffmpeg

fixed smoothing window bug and removed debug prints

added dependency of psutil

added ffmpeg max_muxing_queue_size 9999 when calculating duration of clipped video

Merge branch 'memory' of https://github.com/keplerlab/katna into memory

fixed window len

large video split duration calculated dynamically based on available memory

added processing pipeline for large video

dead code deletion, memory optimisation by explixit delete of intermediate image lists

updated readme and docs

fixed numpy array allocation to prevent deprececation

removed conditional sequential processing code