Code Cleanup

boundaries/boundaryconditions.py

chapman_enskog/chapman_enskog.py

chapman_enskog/steady_state.py

continuous_distribution_measures.py

creationfunctions.py

cumulants.py

innerloopsplit.py

lbstep.py

macroscopic_value_kernels.py

maxwellian_equilibrium.py

methods/abstractlbmethod.py

methods/conservedquantitycomputation.py

methods/creationfunctions.py

methods/cumulantbased.py

methods/entropic.py

methods/lattice_tensors.py

methods/momentbased.py

methods/momentbasedsimplifications.py

moments.py

phasefield/analytical.py