Keyword Column in Table View

Filtering by key words +1

Being able to see what library each paper is in +1

Both of these functionalities were available in Papers3.  Please reimplement.  

+1 for keywords

and

+1 for boolean!

Along this theme, would be great to be able to select or search on multiple lists using simple boolean logic, such as AND, OR, NOT, etc. 

+1

+1

Also select keywords in search box, and search by several keywords (e.g. papers with keywords A AND B)

+1