Added manage accounting interface
Added functionality to manage accounting and module included
New features and stuff
fixed a bug on invoices single view page wouldn't check all rows
Fixed function miscall
Manage accounting feature to pull down demos from invoice, now pulls by invoice id instead of using IN (...)
Took out confusing id,id1 argument names passed to UserInterface, switched with table_id,tbody_id
Added functionality for module to accept and calculate rep_pay,rep_exp,red_exp and put update the invoice records accordingly