Fix problem with VCF calls multiple insertion and/or deletion events at a given position. Uses bcftools norm to do the splitting.

• From haplotype

 5 112174757 . GAAGA G,GGA 

• after bcftools norm -m-

 5 112174757 . GAAGA G 5 112174757 . GAAGA GGA 

• after normalizeInDels.py

5	112174757	.	GAAGA	G	5	112174757	.	GAA	G