Create a configuration file to store the current version of the data file system
Add an expiration date on each account
Implement the archive command
Show only the accounts of the current month
Show only current accounts on the default show command
Add command to display all the accounts
Update help
Prepare method to get all the accounts of a specific month
Prepare method to get all the accounts of the specified month
Store the start date of the accounts
Implement function to get the accounts of a specific month
Use the correct accounts
Validate accounts before generating the year overview
Use the new accounts system in the overviews
Fix subtraction of money
Fix money
Clean
Rewrite money to use a single long data value: Faster and easier
Optimize non-compound operators
Merge branch 'feature/archive_accounts' into develop