Add return for downloaded file in fc_download_data()
Add as.data.frame.APResult()
Change fc_nblast() to use normalisation like sub_score_mat()
Merge branch 'ajdm-master'

* ajdm-master:
  Change fc_nblast() to use normalisation like sub_score_mat()
  Add as.data.frame.APResult()
  Add return for downloaded file in fc_download_data()

Conflicts:
	NAMESPACE (2 methods added at same line; re-ran roxygen to fix)