added unit test for list item number
added unit test for list item number

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