This is draft version.
1. External step limitation has been eliminated.
2. Interfaces of GeomInt_IntSS, IntPatch_Intersection and IntPatch_PrmPrmIntersection classes has been changed.
3. Syntax of "intersect" DRAW-command has been changed (see help for detail information).
4. New statuses have been added in IntWalk_StatusDeflection.hxx file.
Main changes are made in IntWalk_PWalking class.
Creation of test case for this issue.
Automatic upgrade of OCCT code by command "occt_upgrade . -nocdl":
- WOK-generated header files from inc and sources from drv are moved to src
- CDL files removed
- All packages are converted to nocdlpack
