I think it is entirely plausible that the election may have been hacked.  Prof. J. Alex Halderman has made a good argument for why it is important to conduct recounts.

"Want to Know if the Election was Hacked? Look at the Ballots" 
https://medium.com/@jhalderm/want-to-know-if-the-election-was-hacked-look-at-the-ballots-c61a6113b0ba#.s6vv5w1e8