Added comment about uniqueness of ids. Solves issue #26 
Added comment about uniqueness of ids. Solves issue #26 

vohung96/tree-view-list-android,AmitaInsan/tree-view-list-android,gianghnd/tree-view-list-android,coding7890/tree-view-list-android,pafra88/tree-view-list-android,Victorlopesjg/tree-view-list-android,android1brainbitz/tree-view-list-android,mikeAopeneng/tree-view-list-android,fitnesskim/tree-view-list-android,benquick123/tree-view-list-android,Linlen/tree-view-list-android,yg1027/tree-view-list-android,saddi909/tree-view-list-android,benquick123/tree-view-list-android,pafra88/tree-view-list-android,mmasia/tree-view-list-android,das-pro/tree-view-list-android,tonynhan/tree-view-list-android,android1brainbitz/tree-view-list-android,gianghnd/tree-view-list-android,Mr-DDDAlKilanny/tree-view-list-android,anish-khatiwada/tree-view-list-android,vuonghungvinh/tree-view-list-android,vuonghungvinh/tree-view-list-android,fitnesskim/tree-view-list-android,Bienio/tree-view-list-android,tonynhan/tree-view-list-android,misgersam/tree-view-list-android,saddi909/tree-view-list-android,Linlen/tree-view-list-android,coding7890/tree-view-list-android,eragon7649/tree-view-list-android,vohung96/tree-view-list-android,anish-khatiwada/tree-view-list-android,spicecoder/tree-view-list-android,marinat/tree-view-list-android,DalGunBam/tree-view-list-android,misgersam/tree-view-list-android,Mr-DDDAlKilanny/tree-view-list-android,sysfauzi/tree-view-list-android,android1brainbitz/tree-view-list-android,hzzbin/tree-view-list-android,hzzbin/tree-view-list-android,VinayYadav123/tree-view-list-android,Linlen/tree-view-list-android,garikapatisuresh/tree-view-list-android,Alantangxin/tree-view-list-android,marinat/tree-view-list-android,eragon7649/tree-view-list-android,VinayYadav123/tree-view-list-android,hzzbin/tree-view-list-android,Bienio/tree-view-list-android,fcoulombe/tree-view-list-android,pafra88/tree-view-list-android,Victorlopesjg/tree-view-list-android,Victorlopesjg/tree-view-list-android,DalGunBam/tree-view-list-android,vuonghungvinh/tree-view-list-android,tectronics/tree-view-list-android,coding7890/tree-view-list-android,RamazanAriskaliev/tree-view-list-android,mikeAopeneng/tree-view-list-android,mmasia/tree-view-list-android,sysfauzi/tree-view-list-android,lamotora/tree-view-list-android,Bienio/tree-view-list-android,eragon7649/tree-view-list-android,garikapatisuresh/tree-view-list-android,mmasia/tree-view-list-android,Alantangxin/tree-view-list-android,anish-khatiwada/tree-view-list-android,spicecoder/tree-view-list-android,fcoulombe/tree-view-list-android,gianghnd/tree-view-list-android,Alantangxin/tree-view-list-android,benquick123/tree-view-list-android,VinayYadav123/tree-view-list-android,RamazanAriskaliev/tree-view-list-android,das-pro/tree-view-list-android,marinat/tree-view-list-android,tonynhan/tree-view-list-android,saddi909/tree-view-list-android,RamazanAriskaliev/tree-view-list-android,vohung96/tree-view-list-android,lamotora/tree-view-list-android,nikolaychernov/tree-view-list-android,spicecoder/tree-view-list-android,yg1027/tree-view-list-android,tectronics/tree-view-list-android,fcoulombe/tree-view-list-android,mikeAopeneng/tree-view-list-android,nikolaychernov/tree-view-list-android,AmitaInsan/tree-view-list-android,AmitaInsan/tree-view-list-android,DalGunBam/tree-view-list-android,lamotora/tree-view-list-android,fitnesskim/tree-view-list-android,garikapatisuresh/tree-view-list-android,nikolaychernov/tree-view-list-android,misgersam/tree-view-list-android,yg1027/tree-view-list-android,Mr-DDDAlKilanny/tree-view-list-android,sysfauzi/tree-view-list-android,das-pro/tree-view-list-android,tectronics/tree-view-list-android