add conversations example
add about sample
add basics sample
add string sample
add type sample
add numeric sample
add object sample and fixed only patternProperties bug
add object test and fixed ony patternProperties bug
add array sample
add boolean example
add null example
add generic sample
add combinations example, implement Not
add regular_expressions example
fixed description
add structuring example
Merge pull request #20 from zigorou/improve_tests

Improve tests