Add ability to set account path
Useful for nesting folders etc.
Provide sorted accounts slice
Add citi parser
This parsers citi transaction html pages, because it exposes some info not included in the csv download.
Accept a list of cards per user
Refactor, change output format
Invert amount, now positive for debits, negative for credits
Split util.ParseDir functionality for reusability
Make pfin.Transaction.Amount() consistent
Wrap parser error with account and filename
Rename util.TxString to FormatTx, refactor, move Fields to util
Move pfin.TxString to util, add formatting functions
Add parser/all metapackage, add category to other parsers
cmd/unpaid: Refactor, add category totals