v5.3

• add build file for Snap
• add command-line flag --config-file
• add command-line search flags --reverse --limit --offset
• tweak icon borders
• fix command-line search ignoring --type flag
• fix command-line search output for chats, contacts, and tables
• fix error on using system colours with transparency
• fix errors on Ubuntu 22 (issue #111)

Windows binaries available at https://suurjaak.github.io/Skyperious/.