Concept of batches introduced
get_next_shred helper modified to fix bug with receiving the same skipped shred and to sort also by batch
Most of old pymongo code refactored to use mongoengine instead
Auto tags suggestions added
base_tags.json updated with tags synonyms and some descriptions
pep008 for code from Stas applied
load_to_mongo script moved to cli folder and plugged to common control.py CLI interface
load_to_mongo also wipes files/shreds if you are reimporting the batch with the same name
unshred package version bumped in requirements.txt