1), and to handle modification of existing image

there are sevaral definitions of MK, most of which are not compatible with the simplified kurtosis model implemented by --kurtdir. So, I decided not to compute anything at all.

Tests both kurtosis flags (also --wls with --kurt flag)

single- and multi-shell
exact fit (no noise)

add initial round of bed unit tests

See merge request !3

Fix pnm/feedsRun

See merge request !2

6.0.2 changes

See merge request !1

6.0.2 changes

6.0.2 changes