expps: new package for manipulation of exponential power series
Fix retraction of 'rootOf' to AlgebraicNumber.
Delete wrong special case for complex roots.
Fix bad pretend in numberOfNormalPoly.
Avoid error when printing error message.
Fix a problem with nested iteration.
Better handling of trigonometric integrals.
Fix wrong selection for 'convert'.
Add jet bundle framework.
Fix problem with crashes during tracing.