Forgot to expose some necessary APIs, and fixed about: bug.
 
Silence encoding errors, as it's a nuisance for encoding sniffing.
TODO: This didn't make it into the previous release.
 
Fix download-to-file & Gemini implementations.
 
Define special psuedo-MIMEtypes for error responses.
 
Expose downloadToURI function.
 
Improve data: URI handling, provide utility to convert other URIs to data: URIs.
 
Upstream save function, with intelligent filenaming.
 
Add utility for concurrently fetching URLs.
 
Expose redirected URIs to caller.
 
Add support for about: URIs.
 
Integrate AppStream into normal fetch routines, version 1.3.0.0!
 
Support looking up icons by MIMEtype.
 
Draft AppStream loading code.
 
Fix app dispatch logic.
Previously failed to build due to a file not listed in the build system.
Previously crashed when trying to read a non-existant mimeapps file.
 
Report encountered exceptions in the response body.
 
Dispatch unsupported URIs to native apps on FreeDesktop.Org-compliant desktops
 
Fix defaults for XDG environment variables.
 
Draft logic for looking apps to dispatch MIMEtypes & URI schemes to on XDG platforms
 
Reverse locale reformatting for XDG config localized lookup.