Updated Python 2 / 3 compatibility strategy to be Python 3 centric. Should be more future-proofed.
Updated testing.
1.2.11
Updates testing. Again. Python 3.2 support again dropped, for the last time, given failure on Travis CI. It's old, anyway. Time to upgrade!
1.2.10
Updates testing. Python 3.2 support re-established, given still supported on Travis CI. Docs tweaked.
1.2.9
Updates testing. Newly qualified under 2.7.13 and 3.6, as well as most recent builds of pypy and pypy3. Python 3.2 support withdrawn given obsolescence.
1.2.8
Substantial documentation reorg.
1.2.7
Starts automated measurement of test branch coverage. Inital runs show 100% branch coverage. Hooah!