1. Fix last bug in KnuthDiv. All divide tests pass up to 1024 bits now. 2. Clean up comments, style, coding standards, etc. 3. Simplify a constructor.
1. Fix last bug in KnuthDiv. All divide tests pass up to 1024 bits now.
2. Clean up comments, style, coding standards, etc.
3. Simplify a constructor.

Extended testing revealed some additional bugs in shifting. I'll fix these
tomorrow.


git-svn-id: 0ff597fd157e6f4fc38580e8d64ab130330d2411@34559 91177308-0d34-0410-b5e6-96231b3b80d8

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