fix bug that caused wrong results on not-root dirs.

Merge pull request #1 from slovdahl/master

Fix variable assignment bug

comments

update command using --diff-filter to be compatible with git 1.8.5.2

export LANG=c

Fix bug in moved binary files code.

varify the new tmp file.

support "${obj}..." arguments e.g. "gitdiffbinstat master..."

fix bug where we got negated results comparing 2 commits via foo..bar.

Fix bug that messed up the output when we were in headless state and …

…wanted to compare the current commit to some branch.