Improve test coverage
Simplify...
Improve coverage
Homogenize
Simplify
Improve test coverage
Improve coverage
Refactor getAction - 1
Refactor getAction - 2
Partially revert "Simplify"

This partially reverts commit 3f8f1a4218f5cba11fb5d99b0eed0145813b51a7.
Refactor getAction - 3
Memoize "mustBeProduced" as well
Improve coverage
Improve coverage
Deactivate debug helper in GraphTestCase
Be pedantic with default arguments: keep them only for clients
On the way (?) to parsing C++ includes for dependencies