Add exception when @root is used without filters on a class.
Add exception when @root is used without filters on a class.

google/pageloader,DrMarcII/pageloader,DrMarcII/pageloader,google/pageloader,DrMarcII/pageloader,BlackHC/pageloader,BlackHC/pageloader,goderbauer/pageloader,google/pageloader,goderbauer/pageloader,DrMarcII/pageloader,BlackHC/pageloader,goderbauer/pageloader