[DOC][BUG]: Fixed documentation errors
[SJS-256][DOC][ENH]: Moved scoped variables as scoped from global
[REF][DOC]: Updated README.md with new test stream.
[REF]: Updated version number to 0.5.6.
[DOC][STY]: Fixed documenation class heading.
Merge pull request #47 from Temasys/doc-updates

Documentation updates (amended)