Added test to check the amount of search results when no like_text is provided
Removed empty check around like_text because like_text is a required parameter
Fixed Response::isOk() to work better with bulk update api
Merge pull request #701 from Tiefschwarz/fix/empty_fuzzy_like_this

Added test for empty like_text in FuzzyLikeThis query
Merge pull request #702 from fprochazka/bug/response-isok

Fixed Response::isOk() to work better with bulk update api