GenericFeatureHandler: Fixed wrong key name for filehandle in $self
Bio::FeatureIO::gff.pm: Windows compatibility fix, added a correction
to byte positions for ghost '\r'.
Bio::FeatureIO::gff.pm: Using bare equality without explicit variable
in "directive" caused a bug where "$directive = '#'" matched
"elsif ('genome-build') {", instead of the proper conditional.
Adding explicit "$_ eq" in the conditionals fixed it.
Annotated.t: Fixed tests count