* add jersey2 experimental
* add new files
* add abstract one of class
* read the stream multiple times
* rename to getActualInstance
* update petstore
* fix jackon check
* test new java petstore in ci
* fix broken tests
* remove todo
* better exception message, primitive type handling
* add anyof support
* update samples
* add new files
* update all java client samples
* update doc, fix pom
* better null check for allOf
* add primitive types support in oneof, anyof
* better validation
* update python exp samples
* remove primitive type support in allOf
