Crate rspec

Modules

context	The Context module holds all the functionality for the test declaration, that is: describe, before, after, it and their variants.
events	Events are send by the Runner to signal the progression in the test suite, with the results
formatter	The formatter module expose different formatters that can be attached to the Runner and display the progression of the run under various forms
runner	The Runner is where all the examples are actually executed.