Create About 0.0.4.md
V 0.0.4
Bug fix (cf. "about 0.0.4.md")
add a rules for allow the sign selection

Now a sign must don't contain a line with a '[]' expression to be selected. This allow to protect a lot of sign created by some plugins that QuickSign don't handled.
A permission was created to bypass this protection : quicksign.selbracketssign.
Merge remote-tracking branch 'origin/patch-2' into patch-1
Merge remote-tracking branch 'origin/patch-3' into patch-1
Merge remote-tracking branch 'origin/patch-4' into patch-1
Merge remote-tracking branch 'origin/patch-5' into patch-1
Merge branch 'patch-1'