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#173 from kbsali/misc

Misc

Merge pull request kbsali#167 from denkuz08/master

Fix losing bytes when downloading attachments

Merge pull request kbsali#164 from xl32/master

lib/Redmine/Api/SimpleXMLElement.php removed

add issue relation create

fluid api access, private notes, group create fix

Merge pull request kbsali#141 from benoitvidis/curlopt_sslversion

Add the ability to force CURLOPT_SSLVERSION