Expanded Support for Customer Fixed Details and RateGroups
Added: Initial GUI Widgets for Phones.
Fixed: User on Delete Cascade caused everything the user added to be deleted with him. Changed to onDelete Set NUll
Refactor in Activity and Project to give more Information in the JSON Answer.
Fixed: InvoiceItem Acordingly
Fixed: Better Time Values in Fixtures.
Added: Initial Project GUI
Fixed: Chargeable checkbox now works.
ToDo: Activity Disply in Projects
Merge remote-tracking branch 'origin/master'