Documentation cleanup, fixes, examples, and more.
A couple of new concept tests.
Updated text generating the main API reference page.
Significant documentation improvements.
Some additional unit tests of concepts.
Changed erroneous call of liftM to fmap instead.
Some function object cleanup in prelude.
Somewhat neater operator>> implementation.
Reworked inheritable currying to do more proper forwarding.
Increased test coverage of ways to invoke curried fn objects.
Merge pull request #2 from fhahn/master

Use Travis-ci to run the tests
Temporary (hopefully) workaround to make tests run in gcc.