Vaious doc cleanups and niceties

- Closes #152
5 jobs for 2.3-dev in 2 minutes and 29 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Test
passed #4171
Go-py2.7

00:01:22

passed #4172
Go-py3.4

00:01:24

passed #4173
Go-py3.5

00:01:24

passed #4174
Go-py3.6

00:01:26

72.0%
 
  Lint
passed #4175
Go-flake8

00:01:01