implement new 1.9.20-fixed api - getTestCaseRequirements

[lczub]

Implement new 1.9.20-fixed api - getTestCaseRequirements

related TL Mantis Task

• 8715: [API - XMLRPC] Add a method to retrieve all requirements linked to a given test case

new api

• getTestCaseRequirements

    /**
     * Gets list of requirements for a given Test case version
     *
     * The user must have Req view mgt privilege on the project
     * containing the given TC
     *
     * @param struct $args
     * @param string $args["devKey"]
     * @param int $args["testcaseversionid"]
     *
     * @return array
     *         requirement list, if success
     *         error info, if failure
     *
     * @access public
     *
     * compatible with TL version >= 1.9.18
     *
     */
    public function getTestCaseRequirements($args)