update wof-admin-lookup to 6.5.1 which handles termination of workers when the input file is empty
some minor code aesthetics to trigger a build: use split2 module, modernize require statements
When a polylines import references an empty file, it will now exit with the following log messages:
2020-03-18T09:43:01.423Z - info: [wof-admin-lookup] Shutting down admin lookup service
2020-03-18T09:43:01.423Z - info: [wof-admin-lookup] Ensure your input file is valid before retrying
resolves https://github.com/pelias/polylines/issues/245
wof-admin-lookupto 6.5.1 which handles termination of workers when the input file is emptyWhen a polylines import references an empty file, it will now exit with the following log messages: