changed updateBookInfo query so that it checks if the bookinfo already exists (matching asin) this prevents a lot of duplicates
Merge branch 'dev' of https://github.com/nZEDb/nZEDb into dev

Conflicts:
	Changelog
changed updateBookInfo query so that it checks if the bookinfo already exists (matching asin) this prevents a lot of duplicates
changed updateBookInfo query so that it checks if the bookinfo already exists (matching asin) this prevents a lot of duplicates
changed updateBookInfo query so that it checks if the bookinfo already exists (matching asin) this prevents a lot of duplicates
Merge pull request #1156 from Bart39/dev

removed the specific mysql query in updateBookInfo so that it checks if the bookinfo already e...