Fix typo
Merge pull request #679 from square/dimitris/typoz

Fix typo
Fix ConcurrentModificationException in Dispatcher.performSubmit()

Fixes #641
Log when a target is garbage collected and request is canceled

Fixes #642
Merge pull request #681 from lucasr/issue642

Log when a target is garbage collected and request is canceled
Merge pull request #680 from lucasr/issue641

Fix ConcurrentModificationException in Dispatcher.performSubmit()
Merge pull request #1 from square/master

Update