Added synchronized getter for child nodes
Added synchronized getter for child nodes

related to #335

Cocoanetics/DTCoreText,thusfresh/DTCoreText,DanGe42/DTCoreText,Torsph/DTCoreText,SanjoDeundiak/DTCoreText,pegli/DTCoreText,Akylas/DTCoreText,qskycolor/DTCoreText,davbeck/DTCoreText,wlisac/DTCoreText,appunite/DTCoreText,wweiradio/DTCoreText,gnr/DTCoreText,shuoshi/DTCoreText,shuoshi/DTCoreText,barz/DTCoreText,i-miss-you/DTCoreText,gank0326/CoreTextWithHTML,pegli/DTCoreText,Akylas/DTCoreText,qskycolor/DTCoreText,trispo/DTCoreText,AmberWhiteSky/DTCoreText,artifacts/DTCoreText,xiaoyanit/DTCoreText,sujeking/DTCoreText,wlisac/DTCoreText,unisontech/DTCoreText,sujeking/DTCoreText,gsempe/DTCoreText,devontech/DTCoreText,bnickel/DTCoreText,danielphillips/DTCoreText,programming086/DTCoreText,Esdeath/DTCoreText,rain1988/DTCoreText,kemenaran/DTCoreText,z8927623/DTCoreText,liulinjian/DTCoreText,bnickel/DTCoreText,youprofit/DTCoreText,cnbin/DTCoreText,beingenious/DTCoreText,rgregg/DTCoreText,pivotaltracker/DTCoreText,gsempe/DTCoreText,badoo/DTCoreText,z8927623/DTCoreText,zulip/DTCoreText,wangmb/DTCoreText,goodheart/DTCoreText,unisontech/DTCoreText,canyu9512/DTCoreText,pegli/DTCoreText,wweiradio/DTCoreText,niklassaers/DTCoreText,cnbin/DTCoreText,goodheart/DTCoreText,i-miss-you/DTCoreText,iwakevin/DTCoreText,iwakevin/DTCoreText,danielphillips/DTCoreText,artifacts/DTCoreText,jjamminjim/DTCoreText,zulip/DTCoreText,mirego/DTCoreText,beingenious/DTCoreText,gank0326/CoreTextWithHTML,depl0y/DTCoreText,wangmb/DTCoreText,jingchunYuan/DTCoreText,1yvT0s/DTCoreText,yaoxiaoyong/DTCoreText,devontech/DTCoreText,esteluk/DTCoreText,danielphillips/DTCoreText,Cocoanetics/DTCoreText,trispo/DTCoreText,liulinjian/DTCoreText,1yvT0s/DTCoreText,wweiradio/DTCoreText,w2592583/DTCoreText,sidslog/DTCoreText,badoo/DTCoreText,artifacts/DTCoreText,AmberWhiteSky/DTCoreText,canyu9512/DTCoreText,depl0y/DTCoreText,Cocoanetics/DTCoreText,ricobeck/DTCoreText,beingenious/DTCoreText,rgregg/DTCoreText,SanjoDeundiak/DTCoreText,appunite/DTCoreText,artifacts/DTCoreText,ricobeck/DTCoreText,DanGe42/DTCoreText,mirego/DTCoreText,thusfresh/DTCoreText,openresearch/DTCoreText,jingchunYuan/DTCoreText,davbeck/DTCoreText,trispo/DTCoreText,holgersindbaek/DTCoreText,niklassaers/DTCoreText,CoderJWYang/DTCoreText,barz/DTCoreText,rain1988/DTCoreText,kemenaran/DTCoreText,liuslevis/DTCoreText