#2120 Issue about Phalcon\Db\Profiler\Item

 -implement getter\setter for SQLVariables, SQLBindTypes

- Phalcon\Db\Profiler now can pass sqlVariables, sqlBindTypes
Merge pull request #2121 from zaets28rus/2120_issue_profiler_params

#2120 Issue about Phalcon\Db\Profiler\Item