updated diff regex

regex now works with files that are escaped
with a newline character
Add basic support for reading git config
update README
Config, not Status
Update docs
rename values to items
Merge pull request #29 from drd/master

Add read-only `git config`
Merge pull request #22 from alexnaspo/master

Updated regex, fixes #21
Merge branch 'master' of github.com:sentientwaffle/gift

* 'master' of github.com:sentientwaffle/gift:
  rename values to items
  Update docs
  Config, not Status
  update README
  Add basic support for reading git config
  updated diff regex
Fix bug in commit by passing in the repo