Natalia

Make the code compatible with modern version of Bioc (2.0).

Input files for pgxmine

4

@jakelever could you please elaborate on how to prepare input files for pgxmine? There is [pubmed_26736037.bioc.xml](https://github.com/jakelever/pgxmine/blob/master/example/pubmed_26736037.bioc.xml) file in "example" folder but it is not clear how you obtained it. I...