fixes #134: don't cache when no-cache requested (and catch blocked ac…

…cess replies)

updated tox.ini to add py35

merged khyox changes

removed upload_docs target from Makefile (now built automatically at …

…RTD)

updated clientx for new client iterator styles

setup.py edited online with Bitbucket

updated package repo URL

updated setup.py

added missing pytz and requests from setup.py dependencies

boilerplate changes (Makefile, TODO, extract-makefile-documentation)