* fix go compilation error for properties of type map and array
* fix go compilation error for properties of type date and datetime
* add missing shell script to bin/utils/ensure-up-to-date
* add missing shell script to bin/utils/ensure-up-to-date
* add missing shell script to bin/utils/ensure-up-to-date
* fix issue with 'date' type
* fix time import problem
* Add missing pom.xml files for golang
* Add missing unit test files for golang
* Add missing unit test files for golang. Must use class name prefix for enums
* Fix unit tests for go-experimental in OAS3
* Fix unit tests for go-experimental in OAS3
* Add code comments in codegen
* Fix compilation errors of generated go code
* Fix compilation errors of generated go code
* remove antihax from go-experimental, it is no longer used
* copy python testfile for ut purpose
* add error checkout in unit tests
* add unit tests
* add code comments
* move test foo.png file to correct location
* run samples scripts
* run samples scripts
* [go-experimental] export required fields without pointer, only omitempty if type is not required and not nullable
* fix: go-experimental sample code
* fix: export nullable field as pointer
* update samples
* feat: nullable types
* add getter/setter for required fields, improve docstring
* [Go][experimental-client] Properly define packageName for go-experimental sample client
* [Go][experimental-client] make structure members pointers, provide custom marshalling.