improve exception logging
convert bytesref to string
Merge pull request #5 from lgrote/master

Improve Exception logging
add changes
Merge pull request #6 from CompendiumSoftware/convert-byteref-to-string-for-serialziation

Serialization error when using plugin in a mutli-host environment.
start two more nodes in test to trigger serialization
add changes
prepare release 0.7.1
Merge branch 'master' into es-0-90-2

Conflicts:
	CHANGES.txt