change to new names. break otu dds
ENH: update renamer to change all to gzip

also rename to YYYY_MM
CLN/API remove FileHandler and add some_months
BUG: another '-' in col names
ENH: add func for timestamps
ENH/API: use settings for downloader
BUG: messed up year. pass a str
new naming scheme
check for common
BUG: sliced wrong items for year and month
dupe key in settings.
BUG: change to list before dumping.
Fill timestamp from first. Check uniqueness before

Fix name for store log.
BUG: Drop redundent columns after apply specials.
BUG: don't drop good columns
BUG: make dupes_dir if it istn't there.
Change logging locatoin for completed and log time
Add fastpath for dedup of no dupes
BUG: messed up slice for non-nan indicies
BUG: missing month_to_dd for some months