remove warm.data, topics.data, and related code
Generalize array operations.
make dist and use pregenerated files
re-establish HyperDoc content from .htex sources
Remove executable property on src/algebra/mrv_limit.spad.pamphlet
Comment fix.
Add more operators.
Rename 'limitedint' to 'logint', etc.
Change default style of 3D graphics.
Better zero test during limit computation.