[MIN] GUI, Editor, Project View: propagate keys to filter list
[MOD] GUI, Editor, Project View: speeding up filter and icon view
[MIN] GUI, Editor, Project View: allow "Change Directory..." everywhere
[MIN] GUI, Editor, Project View: Ctrl+Shift+T
[MIN] GUI, Editor: new code completions (dump, trace)
[MOD] GUI: allow custom look and feels
[MIN] GUI, Editor, Project View: show native icons on all systems
[MIN] GUI, Editor, Project View: mix native and custom appearance
[MIN] GUI, Editor, Project View: handling binary files
[FIX] XQuery, Function, fold-left1
[ADD] Added numbering of the text editor lines
[FIX] RESTXQ: Default element namespaces
[FIX] XQuery, Error handling
[FIX] `hof:fold-left1(..)` and superfluous `item()*` type checks.
Merge pull request #813 from LeoWoerteler/var-checks

[FIX] `hof:fold-left1(..)` and superfluous `item()*` type checks.
[FIX] GUI, Buttons, #814: focus previous/next component when pressing
      left/right or up/down
Merge branch 'next' of https://github.com/dimitarp/basex into next
[FIX] GUI, Editor: line numbers (immediate rendering)
[FIX] GUI, Editor, #811: CMD+DEL deletes first character from row
[MOD] CSV/JSON conversion: check validity, 'lax' decoding revised. #810