Make sure we're plotting panels in proper order by default
Add `as.matrix.extmat' function

It was useful for debugging
From 2d to nd
Convolution in C-code
Generalize hweights for higher dims
At last, shaped nD-SSA

New saga begins!
Add special kind for nd-ssa
Add simple finite-rank test for nd-ssa
Add a little bit of manual for nd-SSA
Export and document `convolven()'