added tests for getSelCrawl and caused bug in crawl_db
added tests for getSelCrawl and caused bug in crawl_db

added tests for getSelCrawl and caused bug in crawl_db
added tests for getSelCrawl and caused bug in crawl_db

cleaned up crawl_db and crawler

fixed tests

added newlines

bankonme/rippled-network-crawler,ripple/rippled-network-crawler,bankonme/rippled-network-crawler,ripple/rippled-network-crawler