Updated clock select for PWM.

F_CPU was divided by 8 previously, sin now 20MHz.

Signed-off-by: Anton Landberg <git@atnon.se>
Can now get stuff.

Added support for getting values to the cli.
Still missing method to print values, but the scene is set.
Fixing broken line endings.

Signed-off-by: Anton Landberg <git@atnon.se>