bump version 

fix restore behavior of "discard changes" 

mention Discard Changes in README 

"Open Changes" / "Open File" via the command palette (closes #84)

fixed corner-case tree refresh issue with non-compact/non-list mode #64 

bump version 

bump version 

fix partly stale tree if "root" config changed 

prep 1.12.0 

detect renames, handle non-ascii #79 #52