Remove git-wrapper dependency
Simplify git.exec implementation using spawn
Source formatting
Add git_command configuration
Show git push log when "gh pr --merge" is run - Fix #210
Show git push log when "gh pr --submit" is run - Fix #214
Use config.default_remote instead of hard coded origin string value
Improve log message for github api errors
When check pull request integrity check if base and head sha values matches
Improve log on push local branch
Delete empty arguments passed to git.exec
Update dependencies
Use approximately equivalent to version
Add node v0.11 to travis.yml
Add node v0.10 support - Fix #215