Merge pull request #64 from haio/master

Add retries for refreshMetadata
fixing read error
fixing refreshMetadata error
Merge pull request #66 from ripjar/master

Fix to missing refreshMetaData param and passing pause state as an option
Add examples
adding support for OffsetOutOfRange
adding support for OffsetOutOfRange
update following feedback
Merge pull request #71 from ripjar/master

Adding support for OffsetOutOfRange to HighLevelConsumer
Offset#fetch support negative time