Update ptranal.ml

Change (&) to (&&) in line 287
Change (&) to (&&) in line 287
Merge branch 'obliv-c' of https://github.com/michael-mahoney/obliv-c into obliv-c
Merge pull request #1 from mdh3hc/obliv-c

Starting a test branch
June 5 commit
Merge branch 'obliv-c' of https://github.com/michael-mahoney/obliv-c into obliv-c
Adding mutual files
Should add Alice and Bob
Adding average
Works sort method works
Changes to mutual
More mutual and average
Merge branch 'obliv-c' of https://github.com/mdh3hc/obliv-c into obliv-c