Do not normalize paths on join, closes #2500
Improve IEx docs about .iex.exs
Reuse pathtype detection in `Path` module
Merge pull request #2624 from lexmag/pathtype

Reuse pathtype detection in `Path` module
Merge pull request #2625 from niku/doc-about-.iex.exs

Improve IEx docs about .iex.exs