Merge pull request #7 from jubianchi/master

Some quick fixes
Merge pull request #8 from jubianchi/custom-asserters

Improved test syntax with fluent API
add changelog
set minimum-stability to dev for atoum dependency
Merge pull request #10 from marmotz/master

set minimum-stability to dev for atoum dependency
it was a mistake
Merge pull request #11 from marmotz/master

Not useful, this information is useful only on root project.
Call to createClient is no more static.
Fix documentation, we have to require the app autoload, not vendor.
Merge pull request #13 from stephpy/fix_documentation

Fix documentation, we have to require the app autoload, not vendor.
Add new assertions to Element asserter