Make ContainsIdentifier code a little bit clear
Make ContainsIdentifier code a little bit clear

Wosi/DelphiAST,NickRing/DelphiAST,uschuster/DelphiAST,RomanYankovsky/DelphiAST,monkeyxu/DelphiAST,vintagedave/DelphiAST,LaKraven/DelphiAST,AmesianX/DelphiAST,Wosi/DelphiASTTemp