7.1.0

• Fix dirent test on 32 bits architectures (@mgautierfr #632)
• Fix compilation on Alpine - with musl (@amirouche #649)
• Don't crash if ZIM without illustration nor X/W namespace (@mgautierfr #641)
• Switch default suggestion operator to AND (@maneeshpm #644)
• Add a new method Archive::getMetadataItem (@mgautierfr #639)
• Better indexion criterias (@mgautierfr #642)
• Avoid duplicated archives in the searcher (@veloman-yunkan #648)
• Fix random entry (@veloman-yunkan #650)
• Various improvements.
  • CI @mgautierfr #640, @kelson42 #638, @legoktm #654
  • Doc @rgaudin #646