Improve GetValue
Redefine Kernel function
Define `Counterterm` function
Define `GammaTrace` function
Improve GammaTrace and Feynman Rules
Fix LO tests
Change Tracer: don't print some messages
Add more tests for `IntegrateLoop` function
Add more tests for `IntegrateLoop`
Add more tests to NLOc.mt
Define `PartonDensity` function
Z_f for quark-gluon vertex
Z_f for quark-gluon vertex; try 2
Finite part for quark-gluon vertex (NOT READY)
Finite part for quark-gluon vertex
Add complete quark propagator
Draft of a triple gluon vertex
Refactor `GammaTrace`
Start redesign main algorithm
Return incomplete result when error is raised