New maintainer Michael Sumner.
Fixes a number of -Wconversion warnings (uword/double from edge.h, and int/size_t from edgelist.cpp) listed in #46.
Fixes CRAN warnings on incorrect use of bitwise logical operator #44.
Fixes CRAN warnings on unused LazyData property.
Fixes incorrect file metadata issue #41 by PR contributed by Antoine Stevens #42.
Now using ‘main’ branch as default.