Add Code Climate badge
Add gem version badge
Only test Ruby 2.0+
Better explanation of the requirement for Ruby 2.0

Better explanation of the requirement for Ruby 2.0 as well as the
differences between version 1.x and 0.9.x
Use positive case instead of unless/else
Skip German test for now - I expect IMDb to change back later
Use Guard to run Minitest
Use &&= for assignments
No more hashrockets. 1.8 is dead
Move badges further down in the readme
Update Faraday dependencies
Revert "Use &&= for assignments"

This reverts commit 6babbf4736835b6cb2478a7e9ada5ceffb43055e.
Use faraday-http-cache 0.3 - newer versions somehow break something
Update runtime, as IMDb has changed it
Raise NotFound if #search_for_title doesn't find a result