update readme

add license.txt

update README

improve reliability of rollup

roll up with dates

update log format

hourly volume rollup by borough!

use tz_nyc in rollup

fix s3 client

always leave a note!

add schema report

fix missing months

add note for tz woes

properly calculate volume

calculate hourly volume rollup

dont store trips in sqlite

update readme

properly detect if data is missing

only run rollup to the most recent trip's date

implement first pass at daily volume rollup