Implement entry removal
System for total income and expenses
Don't use currency filter for now because it displays negative numbers in brackets
:Editing stub
Daily totals should also be a function, not static
Enable cancel edit
Refactor to use modules and services
Basic filtering logic for category; buggy, should start off with all entries. Irrelevant for now, as need to refactor dailies to act as entries in the backend, and the display logic will be in the html