Merge pull request #143 from SimonGoring/master

Finding consistency between classes.
Merge pull request #144 from SimonGoring/master

Accepted changes to `README`, are my changes to `compile_list` what you expected?
Fix this file which was causing R CMD check to error out. This is still a stub.
missed off one irrelevant tag; this is nt a package documentation stub
Merge pull request #145 from gavinsimpson/fix-roxygen-error

Fix error in the download.R stub
Merge remote-tracking branch 'upstream/master'