Stabilise search results when scores are equal.

- fixes #60
Revert "Stabilise search results when scores are equal."

This reverts commit 813e56a014eb9a929ad8a58142ee61a35f674276.
Fix search results changing positions as you type.
Merge pull request #62 from bsuh/fix61

Fix #61 by reverting fix for #60 and fixing the root problem.