[jparray] handle conversion error for setters the same way
[jp_array] be verbose on conversion error
Merge branch 'cpp_fixes' into appveyor2
[jp_primitive_types] be more verbose in case of conversion errors
[PyHostEnv] implemented describeRef (return repr of PyObject)
[jp_types] set first type enum value to 0. impl ostream operator
[jp_array] be verbose on conversion error
Merge branch 'cpp_fixes' into appveyor2

Conflicts:
	native/python/py_hostenv.cpp