Ensure dev dependencies match user versions
When using `./go dev` to install dev dependencies
fixup! Add `clear` method to CLI animator
Minor Preprocessor refactor
Consider slicing the two first parts from an array of arguments is too specific to `process.argv` to need arguments passing
Document warning-raising symbols
Update installation instructions
Update Node version
Update package download URL (GitHub deprecated the Downloads feature)
Complete v0.6 changelog
Add external references to v0.6 changelog items
Document metadata and authentication
Remove misleading changelog writing instruction
Uniform changelog punctuation
Correct Node versions compatibility in Readme.
Update dev doc, create v0.6 changelog

* doc:
  Correct Node versions compatibility in Readme.
  Uniform changelog punctuation
  Remove misleading changelog writing instruction
  Add external references to v0.6 changelog items Document metadata and authentication
  Complete v0.6 changelog
  Update installation instructions Update Node version Update package download URL (GitHub deprecated the Downloads feature)
  Document warning-raising symbols
  Minor Preprocessor refactor Consider slicing the two first parts from an array of arguments is too specific to `process.argv` to need arguments passing
  fixup! Add `clear` method to CLI animator
  Ensure dev dependencies match user versions When using `./go dev` to install dev dependencies
Make `--installed` exit with 1 instead of 3 in error case
Minimize exit codes
Add upgrade guide from v0.5 to v0.6