cleaner argument parsing
eliminale $route===null
New unit test for testing method catch alls
New tests for some complex route matching (similar to the README
examples)
More tests
Merge branch 'test-suite-fixup'
Merge branch 'pullr4-cleanargs' of https://github.com/gbouthenot/klein.php into gbouthenot-pullr4-cleanargs
More tests.
Merge branch '76-testing'