Branca

What's Changed
* Remove _env instance attribute from Element by Conengmo in https://github.com/python-visualization/branca/pull/145
* Add jinja2 version constraint by tomboehling in https://github.com/python-visualization/branca/pull/156

New Contributors
* tomboehling made their first contribution in https://github.com/python-visualization/branca/pull/156

**Full Changelog**: https://github.com/python-visualization/branca/compare/v0.7.0...v0.7.1

- Make all Element with Template pickable natively (BastienGauthier 144)
- Make _parse_size robust to already parsed values (BastienGauthier 142)
- StepColormap: inclusive lower bound (MxMartin 141)
- Add color schemes: plasma, inferno, magma (FlorinAndrei 131)
- Allow branca ColorMap in write_png (Conengmo 126)
- More flexible _parse_size (Conengmo 125)

New Contributors
* FlorinAndrei made their first contribution in https://github.com/python-visualization/branca/pull/131
* BastienGauthier made their first contribution in https://github.com/python-visualization/branca/pull/142

**Full Changelog**: https://github.com/python-visualization/branca/compare/v0.6.0...v0.7.0

What's Changed
- Properly escape colormap caption (Conengmo 117)
- Multiple fixes in color_brewer (ajabep 115)
- Expose colorbar size variables (Conengmo 77)
- Proper html tags in Figure template (desrod 67)
- Make Element class pickleable (bwest2397 99)
- Improve colorbar representation in notebooks (HaudinFlorence 110)
- Allow custom ticks on colorbar (kota7 113)

New Contributors
* kota7 made their first contribution in https://github.com/python-visualization/branca/pull/113
* HaudinFlorence made their first contribution in https://github.com/python-visualization/branca/pull/110
* desrod made their first contribution in https://github.com/python-visualization/branca/pull/67
* ajabep made their first contribution in https://github.com/python-visualization/branca/pull/115

**Full Changelog**: https://github.com/python-visualization/branca/compare/v0.5.0...v0.6.0

- Support for Pathlib when saving an `Element` (wd60622 103)
- Faster UUID generation for `Element` id (bwest2397 101)
- Store html content in `srcdoc` instead of `data-html` (dstein64 96)
- Add `max_labels` argument to color maps (martinfleis 90)
- Pass caption when converting colormap to steps (ndswaef 87)

- Fix special char encoding in notebooks, store as percent-encoded (conengmo 76)

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- Prompt Jupyter users to trust notebook (conengmo 75)
- Removed Python 2 specific code (ocefpaf 69)