the unmodified ChunkSpy.lua 0.9.8 from
http://files.luaforge.net/releases/chunkspy/chunkspy/ChunkSpy-0.9.8
ChunkSpy.lua Version 0.9.9 (20130624) by VirusCamp
* more clear disassembled results
+ reading lua source files directly
* use OpCode name instead of magic number, like isop("EQ") from inst.OP==23
ChunkSpy.lua : improve readable
ChunkSpy.lua
+ new argument --sign and --sign:abc to load non-standard lua binary with a custom header