Added challenge token check.
Added challenge token check.

nilei/otrs,noritnk/otrs,PortgasDAce/otrs,linearregression/otrs,eliasp/otrs,moritz/otrs,balazj/otrs,rudy500/otrs,xhoy/otrs,mburggraf/otrs,MBRG/otrs,brandonshults01/otrs,xhoy/otrs,oiami/otrs,thorsteneckel/otrs,rudy500/otrs,xhoy/otrs,moritz/otrs,eliasp/otrs,oiami/otrs,nilei/otrs,brandonshults01/otrs,moritz/otrs,MBRG/otrs,thorsteneckel/otrs,moritz/otrs,noritnk/otrs,s7design/otrs,brandonshults01/otrs,vlascoder/otrs,MBRG/otrs,mbeijen/otrs-1,mburggraf/otrs,StCyr/otrs,s7design/otrs,mburggraf/otrs,capeit-tto/otrs,nilei/otrs,StCyr/otrs,oiami/otrs,crythias/otrs,StCyr/otrs,nilei/otrs,muehlbauer/otrs,brandonshults01/otrs,balazj/otrs,StCyr/otrs,nilei/otrs,capeit-tto/otrs,crythias/otrs,mburggraf/otrs,linearregression/otrs,PortgasDAce/otrs,muehlbauer/otrs,s7design/otrs,MBRG/otrs,PortgasDAce/otrs,s7design/otrs,eliasp/otrs,xhoy/otrs,thorsteneckel/otrs,brandonshults01/otrs,s7design/otrs,noritnk/otrs,rudy500/otrs,oiami/otrs,eliasp/otrs,PortgasDAce/otrs,thorsteneckel/otrs,moritz/otrs,linearregression/otrs,crythias/otrs,linearregression/otrs,mbeijen/otrs-1,mbeijen/otrs-1,eliasp/otrs,thorsteneckel/otrs,balazj/otrs,rudy500/otrs,crythias/otrs,rudy500/otrs,crythias/otrs,muehlbauer/otrs,xhoy/otrs,balazj/otrs,StCyr/otrs,balazj/otrs,oiami/otrs,capeit-tto/otrs,vlascoder/otrs,muehlbauer/otrs,linearregression/otrs,muehlbauer/otrs,MBRG/otrs,PortgasDAce/otrs,vlascoder/otrs,mburggraf/otrs