First commit! New function created for the multiphase implementation
Multiphase charge flow function added
Fixed symbolic and numeric duty cycle entry
	modified:   binary_scc_codes.m
	modified:   dickson_hybrid_topology.m
	modified:   generic_switched_capacitor_class.m
	modified:   phase_conv.m
	modified:   solve_2ph_charge_vectors.m
	modified:   tree_2ph_scc.m

First commit of the multiphase SCC solver!
Nedd to be tested, further tested.