Added a flag to prevent stop from being executed when player is already stopped
Added a flag to prevent stop from being executed when player is already stopped

parker-mar/WebWorks-Community-APIs,jcmurray/WebWorks-Community-APIs,blackberry/WebWorks-Community-APIs,blackberry/WebWorks-Community-APIs,parker-mar/WebWorks-Community-APIs,blackberry/WebWorks-Community-APIs,jcmurray/WebWorks-Community-APIs,jcmurray/WebWorks-Community-APIs,jcmurray/WebWorks-Community-APIs,parker-mar/WebWorks-Community-APIs,jcmurray/WebWorks-Community-APIs,parker-mar/WebWorks-Community-APIs,parker-mar/WebWorks-Community-APIs,parker-mar/WebWorks-Community-APIs,blackberry/WebWorks-Community-APIs,jcmurray/WebWorks-Community-APIs,blackberry/WebWorks-Community-APIs,blackberry/WebWorks-Community-APIs