fixes upload path test

add support for custom fields for Version API

fixes travis' build

adds support for search, membership removal, fixes upload

Merge pull request kbsali#209 from popnikos/patch-1

Update AbstractApi autoescaping values

Merge pull request kbsali#205 from kbsali/update-gitattributes

address @orlitzky's comment: remove some files out of .gitattributes

Merge pull request kbsali#197 from parmar84/master

JSON encoded post fields for relation creation

update sample script

Merge pull request kbsali#184 from JanisE/master

Escape all text values for any XML element properly

cs fix