Merge branch 'Fuco1-master'
Add f-uniquify and f-uniquify-alist to changelog.
Release v0.13.0.
Use Evm on Travis.
Add f-traverse-upwards and deprecate f-up.
Add f-traverse-upwards documentation.
Merge branch 'f-traverse-upwards'
Add to changelog.
Release v0.14.0.
Use f-traverse-upwards internally instead of f-up.
Improve f-join docs and tests.
Add f-split.
Update changelog.
Release v0.15.0.
Whitespace.
Merge two tests into one.
Add f-split and f-join root tests.
Do not require descendant/ancestor paths to exist.
Add a trash path for the tests.
Use lexical binding.