Added unit test

Signed-off-by: Dominic Böttger <Dominic.Boettger@inspirationlabs.com>
added log for sync

Signed-off-by: Alexander Knapstein <alexander.knapstein@inspirationlabs.com>
version 0.8.10
stream problems testing
set timeout
bulk
indexing with bulk
Merge remote-tracking branch 'origin/master'
Fixed unit tests and debugging output

Signed-off-by: Dominic Böttger <Dominic.Boettger@inspirationlabs.com>
Changed Readme
Test for subrender
Reverted changes and updated unit test
Readme bulk sync
Fixed travis CI

[ci skip]
Merge remote-tracking branch 'upstream/master'

* upstream/master:
  Fixed travis CI
  Readme bulk sync
  Reverted changes and updated unit test
  Test for subrender
  Changed Readme
  Fixed unit tests and debugging output
  indexing with bulk
  bulk
  set timeout
  stream problems testing
  version 0.8.10
  added log for sync
  Added unit test
Fixed/altered nested schemas, added refs to mapping, some extra testcases