Make CtrlP prefer files in the same directory hierarchy as the current file.

[tomprince]

I have a large project with many similarly named files in different directories. It would be nice if CtrlP was smart enough to prefer matches that share a directory prefix with the current file.

For example, if there are the following files:

• api/testtools.py
• api/other.py
• backend/this/testtools.py
• backend/that/impl.py

And I am editing backend/that/impl.py, and I start typing testtools, it would be nice if it preferred backend/this/testtools.py to api/testtools.py