Added toBeTrue()

Check if a value is truthy, and print a matching error message
Add toBeEmpty()

Match empty arrays and string in a better readable way
Implemented toExactlyHaveProperties.
Changelogged
Extend toHaveProperties/toHaveOwnProperties
Allow early fail for `toExactlyHaveProperties`
Extend API to provide toHave[Own]PropertiesWithValues, thx David.
New version 0.2.1.
Support nested objects for comparing.
Add some non-match tests.
Changelogged for new version
Fixed readme.
Merged in sideshowcoder's matcher toBeEmpty().
Fixes #4
Changelogged
Fix error output.
Added toContainEach, to check an array if it contains all of the given elements, no matter the order.
Made toContainEach also work for nested data.
Changelogged
Dont get cached test results.