Imports of package parser2v2

PathSynopsis
encoding/jsonPackage json implements encoding and decoding of JSON as defined in RFC 7159.
fmtPackage fmt implements formatted I/O with functions analogous to C's printf and scanf.
github.com/spdx/tools-golang/spdxPackage spdx contains references to the latest spdx version
reflectPackage reflect implements run-time reflection, allowing a program to manipulate objects with arbitrary types.
stringsPackage strings implements simple functions to manipulate UTF-8 encoded strings.