Fix error in sendStartCrawlMessage that could be caused by use of empty as opposed to not isset, a=chris

Author Chris Pollett <chris@pollett.org>
Author date 2019-06-10 19:Jun:th
Author local date 2019-06-10 12:Jun:th -0700
Committer Chris Pollett <chris@pollett.org>
Committer date 2019-06-10 19:Jun:th
Committer local date 2019-06-10 12:Jun:th -0700
Commit 3a3745d8d5633cb309476ef525171984996e3e97
Tree e1f154dc0f1f4d2be28d59417873d4cb498c0764
Parent 07b2b854641ddbcec105d1d4d53f85fe09c5a2c4
Fix error in sendStartCrawlMessage that could be caused by use of empty as opposed to not isset, a=chris
Affected files:
src/controllers/CrawlController.php
src/library/UrlParser.php
src/library/Utility.php
tests/UrlParserTest.php
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