fix keybinding used in settings pane description
Merge pull request #16 from defeated/patch-1

fix keybinding used in settings pane description
Use isFileSync instead of existsSync
Guard against opened view not being a MarkdownPreviewView

This has been reported to bugsnag many times yet I can't figure
out why it is happening so I'm putting this guard in here so it
doesn't error at least and hopefully we can find reproduction steps.
Prepare 0.38.0 release
Upgrade to roaster 1.0.2
Prepare 0.39.0 release
Upgrade to roaster 1.0.3
Prepare 0.40.0 release
Unescape pathname or opened uri

This allows files with spaces and other escaped characters to be
opened.

Closes #27
Prepare 0.41.0 release
Only unescape truthy path names
Prepare 0.42.0 release
Support path with accented characters
Remove extra newline
Prepare 0.43.0 release
toggle the preview pane