tests/test-revlog-ancestry.py.out

phase: alway return a value

With the previous code, the phase command was returning None when displaying
phase and 0 or 1 when moving them.

This seemed an bit odd and displaying phase return 0 too now.

Ancestors of 5
4 2 0 
Ancestors of 6 and 5
3 4 2 1 0 
Ancestors of 5 and 4
4 2 0 

Descendants of 5
7 8 
Descendants of 5 and 3
6 7 8 
Descendants of 5 and 4
5 7 8