Fixed xsi:nil setting $result to "true"
Fixed xsi:nil setting $result to "true"

iFixit/Force.com-Toolkit-for-PHP,eddyzhuo/Force.com-Toolkit-for-PHP,developerforce/Force.com-Toolkit-for-PHP,andim27/sforce,iFixit/Force.com-Toolkit-for-PHP,1234-/Force.com-Toolkit-for-PHP,eddyzhuo/Force.com-Toolkit-for-PHP,andim27/sforce,developerforce/Force.com-Toolkit-for-PHP,andim27/sforce,1234-/Force.com-Toolkit-for-PHP,davispeixoto/Force.com-Toolkit-for-PHP,andim27/sforce