hghave: add hg06..hg39
hg output varies by version, this helps the hgbook
hg 0.6 did not have a version command, so special case it...
hg 0.7-0.8 had a version command which returned unknown...
hg 0.8 added a --date flag to annotate
hg 0.9 had a working version command!
fixbundle() {
grep -v 'saving bundle' | grep -v 'saved backup' | \
grep -v added | grep -v adding | \
grep -v "unable to find 'e' for patching" | \
grep -v "e: No such file or directory" | \
cat
}