TODO
- the InsertObjectInMultiFunctor should work for the 0th component
- filtration of the double exts
- filtrations to modules and maps ...
- Hom, tensor products of torsion-free, projective, ... free modules are ...
- if a functor is reapplied to modules in a different context the output
should be merged with the earlier output
- make the generation of the methods for multi-functors automatic
- GAPDoc & test examples
- ask Max:
. why does GAP become slow when getting in the range
of definig 1/2 million variables in Singular?
. display issues ($COLUMNS) of external CAS
. saving objects - Pickling using the IO package