Added challenge token check.
Added challenge token check.

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