add Python Wheel to build process, add test_isort target
fix isort and PEP8 tests errors, and cosmetic fix
fix requirement of Wheel, now optional
fix leftover of requirement of Wheel
rename target install_test to test_setup, test packages build and LC_ALL=C, fix mbcs bug in distutils
fix nested lists and item characters
add Blogger page draft support, simplify post draft process. resolve #15

The posting (insert) using isDraft and updating uses either publish or revert action based on the draft status.

This also applies to posts, work for both kinds.
finalize v0.8.0
Added tag v0.8.0 for changeset ab824b5e64f8
Add support for embedding images as data URIs.
complete embed_images with doctest, unittest, documentation. ref pull request #2 and commit bdd8fbc4a30a

* skip http, https, and data schemes
* print out message and keep image tag untouched when file is not found
* BaseHandler.SUPPORT_EMBED_IMAGES is added for subclass to turn off as text handler does
fix CHANGES.rst prerequisite of doc target
finalize v0.9.0
Added tag v0.9.0 for changeset 9bacecc759bd