Implemented ability to verify that the given value is not an instance of the provided one
Fixed: comments from raphaelstolt, thx a lot
Added ability to assert that a variable has no content.
Added noContent() the oposite check for notEmtpy()
s/static public/public static
Consistent provider naming
Added missing Assertion::string tests
Fixed dataInvalidIntegerish provider
All data providers are static
Implemented Assertion::endsWith
Minor refactoring as reaction of the PR feedback. Thx @raphaelstolt
Merge pull request #30 from raphaelstolt/ends-with

Ends with
Merge pull request #26 from lapistano/assert_noContent

Assert no content
Merge origin/master
Add LICENSE file, fixes #24
Fix README code highlighting
Add missing composer "license" key, 2-clause BSD
change copy n paste docblock
Merge pull request #32 from pscheit/patch-1

change copy n paste docblock