Log Message:
Sigil: update to 1.9.2.

Sigil-1.9.2 is a follow-on bug-fix-only release meant to replace
the recently released Sigil-1.9.0/1.9.1. There are no new features.
The additional fixes since Sigil-1.9.1 are:

    fix loss of highlight on match when searching
    fix incorrect search counts
    fix incomplete replace all
    fix useability issues in Saved Searches
    fix handling or subcapture replacements when no search capture groups are \ 
provided
    fix crash on Windows from too fast/repeated Find Net and Find Previous \ 
launched via keyboard shortcuts