Limit agents tasks to their CPU cores

Closes #1617 (closed)

changed milestone to %Arkindex 1.5.2

requested review from @babadie

assigned to @vrigal

added 3 commits

• f0541718 - 1 commit from branch master
• 75eb524f - Prevent assigning more task than CPU cores
• ad36f279 - Update tests

Compare with previous version

Tested locally on a fake large process.

merged