Support -slt (techInfo) option

[q2s2t]

Originaly reported by @LazyLZ in #93
The techInfo switch is buggy at the moment.
None of the parsers manage to deal with it : example of output

$ 7z l test/_mock/DirNew/NewImages.7z -slt

7-Zip [64] 16.02 : Copyright (c) 1999-2016 Igor Pavlov : 2016-05-21
p7zip Version 16.02 (locale=fr_FR.UTF-8,Utf16=on,HugeFiles=on,64 bits,6 CPUs Intel(R) Core(TM) i5-9600K CPU @ 3.70GHz (906EC),ASM,AES-NI)

Scanning the drive for archives:
1 file, 18293343 bytes (18 MiB)

Listing archive: test/_mock/DirNew/NewImages.7z

--
Path = test/_mock/DirNew/NewImages.7z
Type = 7z
Physical Size = 18293343
Headers Size = 625
Method = LZMA2:24
Solid = +
Blocks = 1

----------
Path = DirImages
Size = 0
Packed Size = 0
Modified = 2018-10-02 21:45:49
Attributes = D_ drwxr-xr-x
CRC = 
Encrypted = -
Method = 
Block = 

Path = DirImages/LICENSE
Size = 37
Packed Size = 18292718
Modified = 2018-10-02 21:45:49
Attributes = A_ -rw-r--r--
CRC = F303F60C
Encrypted = -
Method = LZMA2:24
Block = 0

Path = DirImages/abstract-architecture-black-and-white-262367.jpg
Size = 709213
Packed Size = 
Modified = 2018-10-02 21:40:40
Attributes = A_ -rw-r--r--
CRC = B9BCBB0D
Encrypted = -
Method = LZMA2:24
Block = 0

[q2s2t]

It is fixed in the next release. You get and additional data.techInfo in the data event. README has been updated.

[q2s2t]

For future reference, as of #112 the problem has been delegated to the split2 library.