- Related to https://www.npmjs.com/advisories/813

Removed tests from package distribution

Merge branch 'alex/swagger-ui3' of https://github.com/Alexei-Kornienko/aiohttp-swagger into Alexei-Kornienko-alex/swagger-ui3

Merge branch 'custom_template' of https://github.com/p4l1ly/aiohttp-swagger into p4l1ly-custom_template

Merge branch 'fix-file-handle-leak' of https://github.com/katajakasa/aiohttp-swagger into katajakasa-fix-file-handle-leak

Merge branch 'master' of https://github.com/olexandr-klymenko/aiohttp-swagger into olexandr-klymenko-master

Deploy only tagged commits

Merge branch 'Fix_pyyaml_version' of https://github.com/Ekkertan/aiohttp-swagger into Ekkertan-Fix_pyyaml_version

updated version

Fixed bug with data definitions when want to add nested objects

- Fixed bug with data definitions when want to add nested objects
- Refactored tests a little
- Added support for python 3.7 and 3.8 to tox
- Written documentation regarding data definitions
- Fixing build
- Configured tests for latest 2.x and 3.x version of aiohttp server

Fix an issue with wrong methods in generated UI. Issue #68