Update README.md
Added Geocoder to list of other plugins
API Breaking changes!!! Yay, ModernHttpClient plugin using latest stuff from Paul! Added preliminary implementation for DownloadCache, probably needs tweaking.
Merge pull request #21 from Cheesebaron/newhttpclient

API Breaking changes!!! Yay, ModernHttpClient plugin using latest stuff ...
Merge branch 'master' into notifications
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