Please add trivial-clock, frugal-uuid

[kilianmh]

trivial-clock

Description: Get accurate wall-clock times on multiple platforms.
Author: Ákos Kiss
License: MIT
Source: https://github.com/ak-coram/cl-trivial-clock.git

frugal-uuid

Description: Generate, compare, parse, and convert UUID (v1-v8).
Author: Ákos Kiss
License: MIT
Source: https://github.com/ak-coram/cl-frugal-uuid.git

Note: frugal-uuid depends on trivial-clock.

Closes ak-coram/cl-frugal-uuid#6