Merge pull request #171 from xiocode/master

fix bug. make sure all data has consumed in successChan

Merge pull request #169 from pfischermx/master

Allow consumer configs to set the numWorkers and use full set of byte slices to check the partition number (for fixedpartiioner)

Merge pull request #169 from pfischermx/master

Allow consumer configs to set the numWorkers and use full set of byte slices to check the partition number (for fixedpartiioner)

Merge pull request #142 from stealthly/workers-gouroutines

Attempt to reduce amount of worker goroutines.

Merge pull request #143 from CrowdStrike/master

Various fixes to make re-balancing and partition ownership more stable.

Merge pull request #136 from spenczar/fix_workermanager_memory_leak

Allocate a new taskBatch for each batch of tasks in the WorkerManager

Merge pull request #63 from stealthly/roundrobin-fix

Roundrobin fix