add support for whitespace pings (fixes issue #129)
add support for whitespace pings (fixes issue #129)


pol51/QXMPP-CMake,unisontech/qxmpp,deepak899/qxmpp,kollix/qxmpp,gamenet/qxmpp_old,projedi/qxmpp-ffmpeg,gamenet/qxmpp_old,ycsoft/qxmpp,Ilyatk/qxmpp,olesalscheider/qxmpp,deepak899/qxmpp,ycsoft/qxmpp,trulabs/qxmpp-old,gamenet/qxmpp_old,gotomypc/qxmpp,unisontech/qxmpp,Kaffeine/qxmpp,gamenet/qxmpp,cccco/qxmpp,KangLin/qxmpp,Ilyatk/qxmpp,Kaffeine/qxmpp,gamenet/qxmpp,Ilyatk/qxmpp,LightZam/qxmpp,pol51/QXMPP-CMake,trulabs/qxmpp-old,gotomypc/qxmpp,pol51/QXMPP-CMake,cccco/qxmpp,projedi/qxmpp-ffmpeg,deepak899/qxmpp,trulabs/qxmpp-old,kollix/qxmpp,ycsoft/qxmpp,Kaffeine/qxmpp,unisontech/qxmpp,KangLin/qxmpp,gotomypc/qxmpp,olesalscheider/qxmpp,kollix/qxmpp,gamenet/qxmpp,LightZam/qxmpp,cccco/qxmpp,LightZam/qxmpp,KangLin/qxmpp,olesalscheider/qxmpp