Implemented getVariantsByPos(String seqName, int startPos) for binary Plink
Implemented getSamplePhasing(GeneticVariant variant) for binary Plink
Implemented iterator() for binary Plink
Implemented getSamplePhasing(GeneticVariant geneticVariant) for binary Plink, updated the test suite, and fixed a @Test annotation in the PedMap test
Merge pull request #37 from joerivandervelde/master

Implemented new set of functions for binary plink and updated test suite