fix changenav for maxchanges != 10
for maxchanges = 25 the changelog navigation had a minimum
stepsize of 30; try to calculate more useful navigation steps
# repo.py - repository base classes for mercurial
#
# Copyright 2005 Matt Mackall <mpm@selenic.com>
#
# This software may be used and distributed according to the terms
# of the GNU General Public License, incorporated herein by reference.
class RepoError(Exception): pass