add tooltip to test with single argument
add checking for defined tooltip
tooltips was bad idea
remove tooltips from readme
add chaining to test.it
add chaining to groups
add final chain-link result()
add comments to result() and fix comments to comment()
change "entity" to "argument" everywhere
code final chain-link arguments()
add some test
update readme and comments
Merge branch 'master' of https://github.com/titulus/testit