Added python_version to requirements in setup

Updated to support Python 3 using suds-py3

Bumps qs from 5.2.1 to 6.9.3. <details> <summary>Changelog</summary> <p><em>Sourced from <a href="https://github.com/ljharb/qs/blob/master/CHANGELOG.md">qs's changelog</a>.</em></p> <blockquote> <h2><strong>6.9.3</strong></h2> <ul> <li>[Fix] proper comma parsing of URL-encoded commas (<a href="https://github-redirect.dependabot.com/ljharb/qs/issues/361">#361</a>)</li> <li>[Fix] parses comma delimited array while having percent-encoded comma treated as normal text (<a href="https://github-redirect.dependabot.com/ljharb/qs/issues/336">#336</a>)</li> </ul> <h2><strong>6.9.2</strong></h2> <ul> <li>[Fix] <code>parse</code>: Fix parsing array from object with <code>comma</code> true (<a href="https://github-redirect.dependabot.com/ljharb/qs/issues/359">#359</a>)</li> <li>[Fix] <code>parse</code>: throw a TypeError instead of an Error for bad charset (<a href="https://github-redirect.dependabot.com/ljharb/qs/issues/349">#349</a>)</li> <li>[meta] ignore eclint transitive audit warning</li> <li>[meta] fix indentation in package.json</li> <li>[meta] add tidelift marketing copy</li> <li>[Dev Deps] update <code>eslint</code>, <code>@ljharb/eslint-config</code>, <code>object-inspect</code>, <code>has-symbols</code>, <code>tape</code>, <code>mkdirp</code>, <code>iconv-lite</code></li> <li>[actions] add automatic rebasing / merge commit blocking</li> </ul> <h2><strong>6.9.1</strong></h2> <ul> <li>[Fix] <code>parse</code>: with comma true, handle field that holds an array of arrays (<a href="https://github-redirect.dependabot.com/ljharb/qs/issues/335">#335</a>)</li> <li>[Fix] <code>parse</code>: with comma true, do not split non-string values (<a href="https://github-redirect.dependabot.com/ljharb/qs/issues/334">#334</a>)</li> <li>[meta] add <code>funding</code> field</li> <li>[Dev Deps] update <code>eslint</code>, <code>@ljharb/eslint-config</code></li> <li>[Tests] use shared travis-ci config</li> </ul> <h2><strong>6.9.0</strong></h2> <ul> <li>[New] <code>parse</code>/<code>stringify</code>: Pass extra key/value argument to <code>decoder</code> (<a href="https://github-redirect.dependabot.com/ljharb/qs/issues/333">#333</a>)</li> <li>[Dev Deps] update <code>eslint</code>, <code>@ljharb/eslint-config</code>, <code>evalmd</code></li> <li>[Tests] <code>parse</code>: add passing <code>arrayFormat</code> tests</li> <li>[Tests] add <code>posttest</code> using <code>npx aud</code> to run <code>npm audit</code> without a lockfile</li> <li>[Tests] up to <code>node</code> <code>v12.10</code>, <code>v11.15</code>, <code>v10.16</code>, <code>v8.16</code></li> <li>[Tests] <code>Buffer.from</code> in node v5.0-v5.9 and v4.0-v4.4 requires a TypedArray</li> </ul> <h2><strong>6.8.2</strong></h2> <ul> <li>[Fix] proper comma parsing of URL-encoded commas (<a href="https://github-redirect.dependabot.com/ljharb/qs/issues/361">#361</a>)</li> <li>[Fix] parses comma delimited array while having percent-encoded comma treated as normal text (<a href="https://github-redirect.dependabot.com/ljharb/qs/issues/336">#336</a>)</li> </ul> <h2><strong>6.8.1</strong></h2> <ul> <li>[Fix] <code>parse</code>: Fix parsing array from object with <code>comma</code> true (<a href="https://github-redirect.dependabot.com/ljharb/qs/issues/359">#359</a>)</li> <li>[Fix] <code>parse</code>: throw a TypeError instead of an Error for bad charset (<a href="https://github-redirect.dependabot.com/ljharb/qs/issues/349">#349</a>)</li> <li>[Fix] <code>parse</code>: with comma true, handle field that holds an array of arrays (<a href="https://github-redirect.dependabot.com/ljharb/qs/issues/335">#335</a>)</li> <li>[fix] <code>parse</code>: with comma true, do not split non-string values (<a href="https://github-redirect.dependabot.com/ljharb/qs/issues/334">#334</a>)</li> <li>[meta] add tidelift marketing copy</li> <li>[meta] add <code>funding</code> field</li> <li>[Dev Deps] update <code>eslint</code>, <code>@ljharb/eslint-config</code>, <code>tape</code>, <code>safe-publish-latest</code>, <code>evalmd</code>, <code>has-symbols</code>, <code>iconv-lite</code>, <code>mkdirp</code>, <code>object-inspect</code></li> <li>[Tests] <code>parse</code>: add passing <code>arrayFormat</code> tests</li> <li>[Tests] use shared travis-ci configs</li> <li>[Tests] <code>Buffer.from</code> in node v5.0-v5.9 and v4.0-v4.4 requires a TypedArray</li> <li>[actions] add automatic rebasing / merge commit blocking</li> </ul> <h2><strong>6.8.0</strong></h2> <ul> <li>[New] add <code>depth=false</code> to preserve the original key; [Fix] <code>depth=0</code> should preserve the original key (<a href="https://github-redirect.dependabot.com/ljharb/qs/issues/326">#326</a>)</li> <li>[New] [Fix] stringify symbols and bigints</li> <li>[Fix] ensure node 0.12 can stringify Symbols</li> <li>[Fix] fix for an impossible situation: when the formatter is called with a non-string value</li> </ul> </tr></table> ... (truncated) </blockquote> </details> <details> <summary>Commits</summary> <ul> <li><a href="https://github.com/ljharb/qs/commit/511e1c9e527679ca182b055895ce301ea82213ee"><code>511e1c9</code></a> v6.9.3</li> <li><a href="https://github.com/ljharb/qs/commit/8d1dea251e3fe7e37db2fb91335a561f282db9fb"><code>8d1dea2</code></a> Merge changelogs from v6.7.2, v6.8.2</li> <li><a href="https://github.com/ljharb/qs/commit/808b0b233e9408e0b5a7d7d19eb01093944240c5"><code>808b0b2</code></a> v6.8.2</li> <li><a href="https://github.com/ljharb/qs/commit/bf93c5719c88e4c7ace17d747c62844988a65018"><code>bf93c57</code></a> v6.7.2</li> <li><a href="https://github.com/ljharb/qs/commit/bf0ea91f37e1fd4a4e75c0057e216de00b4489e3"><code>bf0ea91</code></a> [Fix] proper comma parsing of URL-encoded commas</li> <li><a href="https://github.com/ljharb/qs/commit/0ece6d886a6e59589f0b5e753e1d0a3c98bc1b3c"><code>0ece6d8</code></a> [Fix] proper comma parsing of URL-encoded commas (<a href="https://github-redirect.dependabot.com/ljharb/qs/issues/361">#361</a>)</li> <li><a href="https://github.com/ljharb/qs/commit/74fcd83d5fb2674b7576b41f6b9c3d0628e6c51c"><code>74fcd83</code></a> [Fix] proper comma parsing of URL-encoded commas (<a href="https://github-redirect.dependabot.com/ljharb/qs/issues/361">#361</a>)</li> <li><a href="https://github.com/ljharb/qs/commit/cd9a3cd692df33421115741e1ec0e4526dd9da22"><code>cd9a3cd</code></a> [Fix] parses comma delimited array while having percent-encoded comma treated...</li> <li><a href="https://github.com/ljharb/qs/commit/37f6a6b043536a57f76e91c43c673b80464318dd"><code>37f6a6b</code></a> Merge changelogs from v6.7.1, v6.8.1</li> <li><a href="https://github.com/ljharb/qs/commit/92f97f25e40bcc7cb3396ddc2ea813bcac0b4dac"><code>92f97f2</code></a> v6.7.1</li> <li>Additional commits viewable in <a href="https://github.com/ljharb/qs/compare/v5.2.1...v6.9.3">compare view</a></li> </ul> </details> <br />

Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting @dependabot rebase.

<details> <summary>Dependabot commands and options</summary> <br />

You can trigger Dependabot actions by commenting on this PR:

• @dependabot rebase will rebase this PR
• @dependabot recreate will recreate this PR, overwriting any edits that have been made to it
• @dependabot merge will merge this PR after your CI passes on it
• @dependabot squash and merge will squash and merge this PR after your CI passes on it
• @dependabot cancel merge will cancel a previously requested merge and block automerging
• @dependabot reopen will reopen this PR if it is closed
• @dependabot close will close this PR and stop Dependabot recreating it. You can achieve the same result by closing it manually
• @dependabot ignore this major version will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this minor version will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this dependency will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)
• @dependabot use these labels will set the current labels as the default for future PRs for this repo and language
• @dependabot use these reviewers will set the current reviewers as the default for future PRs for this repo and language
• @dependabot use these assignees will set the current assignees as the default for future PRs for this repo and language
• @dependabot use this milestone will set the current milestone as the default for future PRs for this repo and language

You can disable automated security fix PRs for this repo from the Security Alerts page.

</details>