Usage
npforeach(..., .c, .combine = c, .cores, .seed = NULL, .init, .final = NULL, .inorder = TRUE, .multicombine = FALSE, .maxcombine = if (.multicombine) 100 else 2, .errorhandling = c("pass", "stop", "remove"), .packages = NULL, .export = NULL, .noexport = NULL, .verbose = FALSE)