Generator\Boolean
Enabled complete error reporting
Use 'use Eris\TestTrait' in every PHPUnit test
Use 'then' instead of '__invoke'
Merge branch 'boolean_generator'
Cosmetic changes on Generator\Boolean
Merge pull request #15 from giorgiosironi/style

Style
Generator\Tuple first implementation
Use Generator\Tuple to implement Generator\Vector
Merge remote-tracking branch 'origin/tuple-generator'
Added end2end test for Generator\Tuple
Update README.md
Better detection of how many tests fails
Better shrinking using Tuple shrink
Merge remote-tracking branch 'origin/better-shrinking'
Extracted Attempts object
If $elements do not change there is no need to re-run the Evaluation
Extracted pair of calls to increase() and ensureLimit()
Attempts object is now a private field
Renaming closure to $attemptFailed