in JVALUE::GetString
  modified:   storage/connect/json.cpp
  modified:   storage/connect/json.h
  modified:   storage/connect/jsonudf.cpp

- Fix a compiler bug happening on some configuration and platforms
  in JSNX::CalculateArray
  modified:   storage/connect/jsonudf.cpp

- Set default Schema as current directory
  This fix several bugs like:
    Fail to make JSON catalog tables
    Fail to use zipped file made by a file LOAD
  modified:   storage/connect/reldef.cpp
  modified:   storage/connect/tabjson.cpp
  modified:   storage/connect/tabjson.h