Added a comment not to cause confusion.
Added infinite timeout on tcp_connector:remove().

Makes sure that a restarting connector is removed from the pool correctly and less Bad Things happen.
Added request queue length to the TCP Connector.
Added TCP connectors request queue limiting.
Added random backoff to the Hive Connectors operations.
Added random backoff parameters to the JSONSchema.
Removed the unnecessary sleep time when performing the last backoff try.
Updated the documentation.
Merge pull request #42 from brainly/tcp-fixes

First attempt at fixing #43