File name expansion instead of format for clarity
Use system agnostic path separator variable
Merge pull request #385 from fleimgruber/windows_pythonpath

Windows pythonpath compat
Add test for path-separator in 1ae2232
Sort and uniquify company-dabbrev-backend results.
Fix duplicate removal for the dabbrev backend.
Improve the docstring of elpy-project-root.

In particular, mention that lisp programs should not use the variable,
but instead call the same-named function.

Fixes #378.
Update NEWS.rst for 1.6.0
Bump version: 1.5.0 → 1.6.0
Bump version: 1.6.0 → 1.6.50
Simplify elpy--sort-and-strip-duplicates

There's a `delete-dups` function in Emacs, and it exists since 24.1.
Who knew.
Remove idomenu.

The default imenu definition is quite fine, and idomenu can be installed
trivially without much effort if the user wants it.