BREAKING CHANGE:
Update dependencies to align with the new composition of D3 version 5.
Remove d3-queue. Add d3-contour (1.1) and d3-scale-chromatic (1.2). Update d3-scale to major version (2.0).
Update README to replace reference to omitted d3-request
with reference to omitted d3-fetch. Bumped major version to 2.0.0
BREAKING CHANGE: Update dependencies to align with the new composition of D3 version 5. Remove d3-queue. Add d3-contour (1.1) and d3-scale-chromatic (1.2). Update d3-scale to major version (2.0). Update README to replace reference to omitted d3-request with reference to omitted d3-fetch. Bumped major version to 2.0.0
Closes #107