E3fp

What's Changed
* Ensure all array metrics return an ndarray by sethaxen in https://github.com/keiserlab/e3fp/pull/71


**Full Changelog**: https://github.com/keiserlab/e3fp/compare/v1.2.4...v1.2.5

What's Changed
* Run CI on latest Python versions by sethaxen in https://github.com/keiserlab/e3fp/pull/64
* Drop support for Python 2.7 by sethaxen in https://github.com/keiserlab/e3fp/pull/67
* Require v0.1.5 of Python utilities by sethaxen in https://github.com/keiserlab/e3fp/pull/66
* Use smart_open package by sethaxen in https://github.com/keiserlab/e3fp/pull/63
* Fix deprecations by sethaxen in https://github.com/keiserlab/e3fp/pull/69


**Full Changelog**: https://github.com/keiserlab/e3fp/compare/v1.2.3...v1.2.4

[Diff since v1.2.2](https://github.com/keiserlab/e3fp/compare/v1.2.2...v1.2.3)

[Diff since v1.2.1](https://github.com/keiserlab/e3fp/compare/v1.2.1...v1.2.2)

[Diff since v1.2.0](https://github.com/keiserlab/e3fp/compare/v1.2.0...v1.2.1)

[Diff since 1.1](https://github.com/keiserlab/e3fp/compare/1.1...v1.2.0)