Add useful method for checking queue.

Fixed NotMocked func.

Fixed NotMockedFunc.

Fixed comment typos.

Fixed indentation.

Renamed constructor a little bit.

Added Usage to README.md

Fixed tests - on wrong path queue is not empty after test.

Fixed misspell, added badges.

Added travis conf.

Added method descriptions, improved namings.

Added simple roundtrip functions.

Added Server code for RoundTrip mock with tests.

Added LICENSE and gitignore.

Update README.md