remove jsonize
Add commit test.
Fix req.
add Process
fix Process & use it in clone
fix Process & use it in archive
use Process in init & remove call2
use Process in push
fix tests bugs.
add tests/test_push.py
add .ackrc ignore
fix Process & use it in merge
add repo.create_branch & tests
add ellen.utils.temp_repo.commit_something
add tests/test_merge.py
use Process in format_patch & add test
use Process in blame
fix ls-tree name_only
add tests/test_blame.py
remove ellen.utils.process.call