removed explicit return in the documentation
tracked down a few more returns
moved the tests for TSet to the correct place
fixes #887
Merge pull request #896 from reactormonk/set_fix

Set fix. fixes #887
Merge pull request #867 from reactormonk/no_explicit_return

removed explicit return in the documentation
fixes #889
Merge branch 'devel' of https://github.com/Araq/Nimrod into devel