Updated downloads for Invoices, Labor, and Contracts fixing some wrongly formated data and adding a few new columns.
Added an info button to the Timeslip that will display the creation and modification metadata (who and when).
Added close date for timeslips. Timeslips that predate the close date can not be edited except for comments and adding expenses such as mileage. Also, all new timeslips must postdate the close date.