LZ4 1.10.0 out

Dear @xroche,

A new LZ4 is out:
- https://github.com/lz4/lz4/releases/tag/v1.10.0

Can you update it?

Thanks in advance.

Note: Can you update httrack too?
- https://github.com/xroche/httrack
- https://github.com/xroche/httrack-windows