csv support
All keys included in cdv write
Fix side-effect issue
use built in date conversion
add comments to clendata
Easier to understand variable names
Remove extra parenthesis in osuuspankki CSV
remove unnecessary csv column
Fix missing s-pankki in json, extra parenthesis in op
Process S-Pankki PDFs on the go
Refactored S-Pankki to parse one file at a time

Osuuspankki is currently commented out
Refactored Osuuspankki to parse files one by one