Changes in version 0.99.0 (2019-09-05)
+ Submitted to Bioconductor

Changes in version 0.99.1 (2019-09-21)
+ Fixed failing tests. Made kegg_sets tests more general.

Changes in version 0.99.2 (2019-10-22)
+ Exported intersect_single. Examples can now be run.

Changes in version 0.99.4 (2019-10-23)
+ Coersion method setAs exported
+ Coersion method for GeneSetCollection exported
+ Fixed examples for union and intersect
