Add authors of recent patches to credits.rst
Update What's New page for v0.14.3
Docs: tweak What's New page
Merge pull request #130 from bradmwalker/more-range-work

newrange: read-only getters, empty range slice fix,  and refactoring
Docs: mention PR #130 in What's New page
Fix minor bug from byte object doc.
Merge pull request #131 from amatellanes/master

Fix minor bug from byte object doc.
Small doc updates
Bump version to v0.14.3
Merge branch 'master' of https://github.com/PythonCharmers/python-future
Docs: improve organization

Consolidate several smaller sections into larger ones
Fixed newrange slicing for some slice/range combos

The previous slicing had problems slicing stepped ranges and reverse slicing
reversed ranges. Comprehensive test suite finished.