avoided conversion to and from nx graph as it messed with ordering
removed some comments
may add any sequence to init. This way one may initialize a already found community structure based solely on the node2com-list and degrees
fixed the outdated modularity() function
made sure matrix is csr when converting via coo
No need to have safety net for log2(0), just avoid summing over zero-entries instead.
took away backslash to indicate rowchange in add_argument