1.1.619 - big optimization of memory usage, increase the speed of parsing Yandex

In this version, big work on optimizing memory usage has been done, and the stable work of the parser 24/7 with a large number tasks

Enhancements

• Reduced memory usage
• Optimization of parser SE::Yandex - increase parsing speed limit by 2.5 times (~1500 queries per minute, i7-4770)

Corrections due to changes in the output of services

• SE::Google, SE::AOL, SE::Yandex, SE::Dogpile, SE::YouTube, SE::Bing

Fixes

• Fixed SE::Google when working with Antigate: incorrect processing queries with parentheses and very long queries
• Fixed Net::HTTP - when performing chain of redirects now transferred original referrer
• Fixed work with sessions in SE::Yandex::WordStat