Testr v 2 work sync

[SYNC]

New version of testR, some functionality not yet added, but the
following is already working: The new code is in testr folder, when it
is done, the old code will be deleted.

Parallel execution of the tests
Modularized architecture
Multiple targets at once
Multiple module checks at once
Better error handling
Better reporting
Proper arguments handling with argument files for easier debugging & use