What's new

• Add --to flag for collect, allowing collection of standalone time ranges. (#238)
• Add --overwrite flag for collect, allowing recollection of existing data. (#454)

Bug fixes

• Fix issue where collection state end-objects are cleared when collection is complete,
  meaning no further data will be collected for that day. (#250)

Behaviour Change

When passing a from time to a collection, the existing partition data is no longer cleared before the collection starts. This means that data will not, by default, be recollected for time ranges that have already been collected. To recollect data for a time range, pass the new --overwrite flag to the collect command.