correctAlleleTable: Solve genotypes discrepancies
In isglobal-brge/snpfier: Get inversion status in predefined regions

This function tries to solve discrepancies between the reference and sample genotypes. The cause of these discrepancies is that samples and references have used different strands to codify the SNP. This function get the complement genotypes for the discordant SNPs and checks if discordancies are solved.

1	correctAlleleTable(alleletable, hetRefs, map)

`alleletable`	Data.frame with the alleles per SNP (from getAlleleTable)
`hetRefs`	Character vector with the heterozygous genotypes in the reference.
`map`	Data.frame with the annotation of the SNPs (from plink format)