Add make docs to CONTRIBUTING.
Format docstrings.
Remove previous build of docs when building new docs.
Prefix private methods in utilities with "_".
Add support for reversing order of dict/list in _iter_callback().
Modify find_last(), for_each_right(), and find_last_index() to use reverse=True option for _iter_callback() to preserve proper indexing.
Implement for_in_right() and for_own_right() as separate functions that use reverse=True option of _iter_callback().
Add see also sections that list function aliases.
Add short-text for github links.
Fix PEP8 link and minor wording changes.
Add viewcode extension to docs.
Split API reference into Public and Full reference sections.
Add mention about possible future version of callback handling.
Modify heading title.
Rename api docs.
Minor wording and formatting changes.
Add link to project on pypi.
Add doctest to quickstart.
Update docstrings with more detailed descriptions of input/output args.
Update pylint to v1.3.0 and rearrange pylintrc based on default arrangement from new version.