…ntent

Remove unused dependencies.

Update requirements configuration in setup.py.

Bumps [pytest-env](https://github.com/pytest-dev/pytest-env) from 0.6.2 to 0.8.1.
- [Release notes](https://github.com/pytest-dev/pytest-env/releases)
- [Commits](pytest-dev/pytest-env@0.6.2...0.8.1)

---
updated-dependencies:
- dependency-name: pytest-env
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Bumps [pdf2image](https://github.com/Belval/pdf2image) from 1.11.0 to 1.16.3.
- [Release notes](https://github.com/Belval/pdf2image/releases)
- [Commits](Belval/pdf2image@v1.11.0...v.1.16.3)

---
updated-dependencies:
- dependency-name: pdf2image
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Bumps [cachecontrol](https://github.com/ionrock/cachecontrol) from 0.12.0 to 0.12.11.
- [Release notes](https://github.com/ionrock/cachecontrol/releases)
- [Changelog](https://github.com/ionrock/cachecontrol/blob/master/docs/release_notes.rst)
- [Commits](psf/cachecontrol@v0.12.0...v0.12.11)

---
updated-dependencies:
- dependency-name: cachecontrol
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

…trol-0.12.11

Bump cachecontrol from 0.12.0 to 0.12.11

…nv-0.8.1

Bump pytest-env from 0.6.2 to 0.8.1

…e-1.16.3

Bump pdf2image from 1.11.0 to 1.16.3

Fixed filetype for DocumentFile

Add StudioContentNode class to allow scripted curation of existing content from Studio