Inline Job::_dispatch, Create new client for each job execution
Add Job::runMultiple
Add test for Job::runMultiple
Remove final keywords
Add test for runMultiple with failures
Use runMultiple in run()
Fix runMultiple() with gearman disabled
Extrace running without gearman into function
Merge pull request #1242 from njam/issue-1242

Allow to run gearman jobs in parallel