HiC.scala
    Implemented equals and hashCode for Region, Chromosome and
    Interaction classes.

    Implemented either and other for Interection.

HiCTests.scala
    Tests pass for equals and hashCode functions.

new file:   lib/algs4.jar
new file:   lib/htsjdk-1.114.jar
new file:   lib/sam-1.113.jar
new file:   lib/stdlib.jar