Moving powerline bash to separate repository
Fixing readme
Add subversion status as number of changed files in cwd
Adding detailed instructions
Fixing formatting
Catch OSError if called program does not exist.
Remove brackets
track git status in prompt with green is clean, red is dirty
Cleaning up git clean status code
Adding branch dirty status feature to readme
Merge pull request #5 from mindjiver/master

Catch OSError when spawning subprocess.
Catch OSError if git isn't installed
BUGFIX: p.append -> powerline.append
Now using sys.stdout.write instead of print.
\ -> \\
Uses the faster string concatenation.
SVN segment will be added only when the did is not a git repo.
Maximally six dirs can be shown.
Using tuple for consistency.
Add a svn segment only if the dir has .svn.