- Added interfaces to CMISSession to retrieve latest document revision
- Changed Parameter type of enumerateObjectsUsingBlock in CMISPagedResult from CMISObject to id, to make method usable also in other results, e.g. CMISQueryResult
- Fixed URL encoding in CMISURLUtil, some chars in repository identifier could break URL, e.g. '+'
- Additional minor fixes

git-svn-id: https://svn.apache.org/repos/asf/chemistry/objectivecmis/trunk@1633106 13f79535-47bb-0310-9956-ffa450edef68