diffstat: made test case work with POSIX sh and printf * arithmetic expression ((...)), without $, is bashism. * printf '\xXX' seems non-standard. '\0' is okay. http://www.opengroup.org/onlinepubs/009695399/utilities/printf.html tested with bash 4.0 and dash 0.5.5.1

bundlerepo: fix small bug in exception raising

minor documentation improvements

patchbomb: accept default if it is empty string This fixes Cc: prompt.

patchbomb: fix double-spaces in prompts

commands: adding --no-status to resolve to match status

commands: use rev from remote repo when updating as part of a pull