Fixed #4481 (Simplify %str% [ %num% ])
varFuncNullUB: fixed false positive when non-variadic argument is NULL (#4482)
MC: Turn MatchCompiler tests into python unit test
MC: Switch to assertEqual function from python's unittest
MC: Save one indentation level
MC: Split _replaceTokenFindMatch() into two small functions
MC: Implement verify mode for compiled Token::findmatch patterns