Implement "peer send queue" configuration for ZMQ, and default to 2 - this prevents all pending payloads eventually being stuck on a single failed peer and resulting in a network timeout (fixes #66)
Implement "peer send queue" configuration for ZMQ, and default to 2 - this prevents all pending payloads eventually being stuck on a single failed peer and resulting in a network timeout (fixes #66)

MichaelLiZhou/log-courier,dixitk13/log-courier,scrapinghub/log-courier,srizzling/log-courier,linearregression/log-courier,scrapinghub/log-courier,srizzling/log-courier,dixitk13/log-courier,scrapinghub/log-courier,dixitk13/log-courier,MichaelLiZhou/log-courier,srizzling/log-courier,linearregression/log-courier,linearregression/log-courier,MichaelLiZhou/log-courier