Fixed issue #8917: Error in R Export plugin
dev: probably some more can be done for the 'not available' answers, but should be fine for now
Fixed issue #8917: Error in R Export plugin
dev: now exporting checked/unchecked/not shown correct and leaving other and comment values as is
Merge branch 'master' of https://github.com/LimeSurvey/LimeSurvey.git
Merge pull request #188 from ravindrakhokharia/master

Fixed issue #8910: Updated encoding
New feature: delete_responses_by_token RC2 routine to delete responses of by token

Dev: This function will delete Responses for the token passed,
Dev: It will delete all the response related files from the server,
Dev: Delete all responses from the table for the Token if available,
Dev: Delete Response timings, if available in the table.