Added missing 1CPU-1GB-1NIC profile to input.ovf
Renamed some variables for clarity and fixed a few bugs in the OVFItem profile handling logic.
set_value_for_all_items() and set_item_count_per_profile() - create new Item if needed. See #4
Support variant MAC address formats, add unittest cases for this
set_value_for_all_items() - only create new Item if requested. Added more unit test cases (#4 is now fixed)
use hierarchically named loggers
use hierarchically named loggers
Added -f/--failfast option
Improved and clarified logging
Improved and simplified cot_unittest script