added xpath basic helpers in clientutils
added xpath basic helpers in clientutils

mcwonka/casperjs,PeterWangPo/casperjs,flyHe/casperjs,ravindrasingh22/casperjs,mickaelandrieu/casperjs,linkedin/casperjs,mcwonka/casperjs,sircelsiussexy/casperjs,vietch2612/casperjs,soundyogi/casperjs,HienLeThi/Casperjs_Demo,cryptoquick/casperjs,JZL/casperjs,RobertoMalatesta/casperjs,muntasir2000/casperjs,pcarrier-packaging/deb-casperjs,RobertoMalatesta/casperjs,vietch2612/casperjs,vladikoff/casperjs,jefleponot/casperjs,kyroskoh/casperjs,flyHe/casperjs,joshuafcole/casperjs,jjyycchh/casperjs,joshuafcole/casperjs,cryptoquick/casperjs,soundyogi/casperjs,vietch2612/casperjs,jjyycchh/casperjs,jefleponot/casperjs,JZL/casperjs,hexid/casperjs,casperjs/casperjs,pbrazdil/casperjs,vietch2612/casperjs,davidwhthomas/casperjs,HienLeThi/Casperjs_Demo,casperjs/casperjs,pbrazdil/casperjs,kyroskoh/casperjs,hlr1983/casperjs,ravindrasingh22/casperjs,HienLeThi/Casperjs_Demo,vladikoff/casperjs,sircelsiussexy/casperjs,sircelsiussexy/casperjs,hlr1983/casperjs,linkedin/casperjs,Andrey-Pavlov/casperjs,sircelsiussexy/casperjs,mickaelandrieu/casperjs,RobertoMalatesta/casperjs,pbrazdil/casperjs,kyroskoh/casperjs,alexbiehl/casperjs,n1k0/casperjs,mickaelandrieu/casperjs,soundyogi/casperjs,soundyogi/casperjs,mickaelandrieu/casperjs,RobertoMalatesta/casperjs,soundyogi/casperjs,dj31416/casperjs,PeterWangPo/casperjs,dj31416/casperjs,singhdev/casperjs,HienLeThi/Casperjs_Demo,dj31416/casperjs,vladikoff/casperjs,hexid/casperjs,jjyycchh/casperjs,PeterWangPo/casperjs,muntasir2000/casperjs,dj31416/casperjs,casperjs/casperjs,ravindrasingh22/casperjs,jamesanthonyferguson/casperjs,davidwhthomas/casperjs,mcwonka/casperjs,davidwhthomas/casperjs,istr/casperjs,kyroskoh/casperjs,n1k0/casperjs,cryptoquick/casperjs,hudl/casperjs,mickaelandrieu/casperjs,casperjs/casperjs,Andrey-Pavlov/casperjs,linkedin/casperjs,vladikoff/casperjs,hudl/casperjs,istr/casperjs,jamesanthonyferguson/casperjs,istr/casperjs,istr/casperjs,pcarrier-packaging/deb-casperjs,JZL/casperjs,hexid/casperjs,pcarrier-packaging/deb-casperjs,flyHe/casperjs,jamesanthonyferguson/casperjs,hexid/casperjs,davidwhthomas/casperjs,hlr1983/casperjs,n1k0/casperjs,soundyogi/casperjs,n1k0/casperjs,n1k0/casperjs,kyroskoh/casperjs,singhdev/casperjs,joshuafcole/casperjs,alexbiehl/casperjs,artillery/casperjs,muntasir2000/casperjs,casperjs/casperjs,jefleponot/casperjs,sircelsiussexy/casperjs,artillery/casperjs,ravindrasingh22/casperjs,pcarrier-packaging/deb-casperjs,hlr1983/casperjs,vietch2612/casperjs,artillery/casperjs,flyHe/casperjs,mickaelandrieu/casperjs,HienLeThi/Casperjs_Demo,hudl/casperjs,PeterWangPo/casperjs,jjyycchh/casperjs,vietch2612/casperjs,ravindrasingh22/casperjs,linkedin/casperjs,sircelsiussexy/casperjs,jjyycchh/casperjs,singhdev/casperjs,RobertoMalatesta/casperjs,alexbiehl/casperjs,JZL/casperjs,muntasir2000/casperjs,dj31416/casperjs,artillery/casperjs,hlr1983/casperjs,cryptoquick/casperjs,jjyycchh/casperjs,davidwhthomas/casperjs,Andrey-Pavlov/casperjs,flyHe/casperjs,ravindrasingh22/casperjs,HienLeThi/Casperjs_Demo,pbrazdil/casperjs,singhdev/casperjs,mcwonka/casperjs,jefleponot/casperjs,jefleponot/casperjs,JZL/casperjs,joshuafcole/casperjs,joshuafcole/casperjs,alexbiehl/casperjs,linkedin/casperjs,mcwonka/casperjs,artillery/casperjs,Andrey-Pavlov/casperjs,PeterWangPo/casperjs,jefleponot/casperjs,hudl/casperjs,istr/casperjs,cryptoquick/casperjs,jamesanthonyferguson/casperjs,Andrey-Pavlov/casperjs,joshuafcole/casperjs,istr/casperjs,JZL/casperjs,casperjs/casperjs,cryptoquick/casperjs,kyroskoh/casperjs,hudl/casperjs,jamesanthonyferguson/casperjs,davidwhthomas/casperjs,hexid/casperjs,muntasir2000/casperjs,mcwonka/casperjs,artillery/casperjs,pbrazdil/casperjs,flyHe/casperjs,hexid/casperjs,jamesanthonyferguson/casperjs,singhdev/casperjs,pbrazdil/casperjs,PeterWangPo/casperjs,n1k0/casperjs,alexbiehl/casperjs,dj31416/casperjs,Andrey-Pavlov/casperjs,vladikoff/casperjs,RobertoMalatesta/casperjs,alexbiehl/casperjs,muntasir2000/casperjs,linkedin/casperjs,hlr1983/casperjs