Bugfixes galore

• Update to libdot 1.19. Bug fixes.
• Update to hterm 1.73. Various bugfixes and minor features.
• crosh: Fix pasting Unicode content.
• Fix base64url encoding translation with relays.
• Display relay error messages to the user.
• Detect relay loops.
• agent: Print SSH public key blobs to the console.
• Add a guide for setting up smart card backed ssh keys.
• agent: Improve TLV handling with smart cards.
• agent: Take OpenPGP card capabilities into account.
• agent: Add short names for Gemalto readers.
• Validate relay options.
• Ignore common browser shortcuts in connection dialog.
• omnibox: Allow matching saved profile names.

Bug fixes

• Fix message lookup on non-Chrome browsers.
• Retry storage write failures like exceeding bandwidth quotas.

Various bugfixes and minor features

• Document source code.
• Implement OSC 12 (text cursor color).
• io: buffer data when in background.
• io: add a hideOverlay helper.
• Report meta key too with CSI sequences.
• Handle drag & drop nicely.
• Stop mangling input from IMEs/etc...

Unicode updates and ssh-agent frameworks

• Update to libdot 1.18. Unicode 10.0.0 updates (from Unicode 5).
• Update to hterm 1.72. Misc bugfixes.
• Implement an extensible SSH agent (stub backend).
• Integrate Google Smart Card Connector client.
• Add an agent backend for smart card keys.
• Also set relay page to black background.
• Fail gracefully when loading an unknown profile.
• Fix argstr parsing when connecting via URIs.
• Fix opening a new window from the omnibox.
• Use lib.f.getStack helper in more places.

Unicode 10.0.0 updates

• Add Object.values and Object.entries polyfills.
• wcwidth: Merge duplicate binary search funcs.
• wcwidth: Move east asian chars into a lookup table.
• wcwidth: Update lookup tables to Unicode 10.0.0.

More bugfixes

• Drop duplicate resize call.
• Fix console warning.
• Fix container matching logic wrt ascii & blink settings.
• Switch to Node constants.
• Update the embedding document.
• Restore cursor style after ringing the bell.

Bugfixes galore

• Update to libdot 1.17. Better handling for Unicode combining characters.
• Update to hterm 1.71. Better handling for Unicode combining characters.
• Improve startup display to not flash so much white.
• Promote some array helpers to new lib.array API.
• Promote binary<->base64 helpers for all stream classes.
• Refactor Stream.asyncRead API to unify duplicate implementations.

Unicode fixes and array helpers

• Start a lib.array API for low level array/bit operations.
• Tidy up code a bit to please linters.
• lib.wc.substr now includes leading combining characters.
• lib.wc.substr fix handling of surrogate pairs.
• Use arrow functions instead of "self" references.

Bugfixes galore

• Fix replacing wide chars with narrow chars.
• Do not warn about unknown sequences by default.
• Avoid recalculating string display widths when possible.
• Move initial cursor location off screen again during startup.
• Fix processing of split ST sequences across buffers.
• Fix overlaying/inserting combining characters.

Improve Unicode handling

• Update to libdot 1.17. Better handling for Unicode combining characters.
• Update to hterm 1.70. Better handling for Unicode combining characters.
• Use new lib.f.randomInt helper.
• Fix helper scripts/docs to use POSIX portable \033 instead of \e with printf.
• Support basic quoting rules with ssh command line.
• Add random feature tips to startup screen.