Add help for the new command
Prepare gc module
Add a way to set next id
Add a way to set next id
Implement GC for expenses and earnings
Add access to debts
Add access to fortunes
Add access to wishes
Add access to objectives
GC all common data
Add access to accounts
Add access to recurrings
Finish GC
Clean
Fix default
Merge branch 'feature/gc' into develop
Update changelog
Merge branch 'develop' of github.com:wichtounet/budgetwarrior into develop