Median, mode, and simpler syntax

Added

• Created median function
• Created mode function

Changed

• Switched to using *args for all public functions, meaning average([x, y])
  changed to average(x, y)

Removed

• Dropped support for Python 3.5

Quick behind-the-scenes changes

Some codebase cleanup.

Python 3.5 & 3.6 support

Added

• Supported Python 3.5 and 3.6

Complete rewrite

A huge internal cleanup along with some new changes.

Added

• Supported Python 2.7

Changed

• Switched from classes to module-level functions
• Moved to Read the Docs

Versioning and distribution fix

Fixed

• Bumped version to fix description on PyPI

Testing and CI

Added

• Created tests and added CI

PyPI README fix

Fixed

• Bumped version to fix description on PyPI

GitBook integration

Added

• Integrated with GitBook for documentation

Add PyPI metadata

Added

• Added some metadata for PyPI

Initial release

Initial release.

Added

• Made Averager and WeightedAverager classes