networkx 2.5 requires linewidths instead of linewidth and no (#112)
networkx 2.5 requires linewidths instead of linewidth and no (#112)

longer passes through to matplotlib, so zorder doesn't work anymore

Co-authored-by: Donald E. Willcox <1c297b2d67127cef250974b16fd85c9602123f13@gmail.com>
pyreaclib/pyreaclib