Per-spider settings and api cleanup: sep#19 update #705
I'm submitting the update of sep#19 that I proposed on GSoC.
Changes in the previous version of this sep were detailed and extended with implementation suggestions, backward compatibility concerns and issues that may arise.
There are no substantial modifications with the repository version of the proposal, except a tentative
These months I'll be coding those features/refactors based on this document, so early feedback is greatly appreciate it.