Release version 1.5.0-rc2 (old title: version 1.4.3)

New functionality:

• Introduced cutoff author handle length
• If no author handle fetched and ID present, ignore @{OR}
• Danbooru won't require logging in to fetch tags anymore

Fixes:

• Long filenames handling hotfix
• DB, DF, VA now provide IDs correctly;
• Fetched tags decoration is turned off by default;

Also:

• Updated repo description;
• Updated test targets — included 4 corner cases description