compute delta and SystemN introduced
set_interaction_list change in a BFS for the FMM
compute_delta updated
interact updated
not accepting #include "QuadTree.hpp"
Debugging a NaN in the velocities: not resolved
Bug found, simulation stable in the initial time-steps, TODO: implement
refine_near_field
Magico code do Brazil!! funziona dynamic, sembra convergere e picchia 15
volte Petros
testing
Commit di fine giornata 1st april
x,y belong now to System added px py and Lz
Merge remote-tracking branch 'shiny-cyril/FastMultipoleMethod'

Conflicts:
	VorticityParticleSolver/ConvergencePlot.py
	VorticityParticleSolver/QuadTree.hpp
	VorticityParticleSolver/main.cpp
	:resolved