Add ability to set layering in the CLI
Add following options to the CLI:
- options
--split-layer
/-s
- set one layer split
- e.g.
-s 0 -s 2
=>layers=[0,2]
- option
--squash
- set layers to
[0]
- overrides all previous settings
- set layers to
- option
--default-layering
- set layers to
[]
(default behaviour - one instruction per layer) - overrides all previous settings
- set layers to