No reason to use sets in old webrunner to keep runningrequests. This may cause requests to the same URL to not be added to a set and is much worse performance-wise
Merge pull request #54 from SmartBear/old-web-runner-fix

No reason to use sets in old webrunner to keep runningrequests. This may cause requests to the same URL to not be added to a set and is much worse performance-wise