docs: fix ObservableVar::modify example code
surface::Content()
MappedDirectoryHandler: explicitly disallow files outside document root
add test for MappedDirectoryHandler denying requests outside document root
version 0.4.1
minor fixes to install-tests
Merge branch '0.4'
Merge branch '0.4'
Merge branch '0.4'
update manifest
added surface::GlobalCSS
server/storage: annotate error types
minor
bridge extensibility:

 - allow optional `requestOpts` to openTransport()
   (e.g `socketPath` for transporting over a UNIX socket)

 - allow passing pre-fetched apiinfo to bridge.connect
update SJS
fix inverted logic in bridge::connect
initial "seed" server
WIP
WIP
WIP