Changes

* To let Rare-Metal-Worker handle unrelated individuals, we just have to code the individuals as unrelated in PED file, or each individual belongs to a unique family. Then Rare-Metal-Worker will take care of the rest.

* To let Rare-Metal-Worker handle unrelated individuals, we just have to code the individuals as unrelated in PED file, or each individual belongs to a unique family. Then Rare-Metal-Worker will take care of the rest.

* However, when --kinGenotype is also used, Rare-Metal-Worker will consider them as related and generate kinship matrix from genotypes.

* However, when --kinGenotype is also used, Rare-Metal-Worker will consider them as related and generate kinship matrix from genotypes.

* An example is shown as following (header is for illustration purpose, not in real PED file):

* An example is shown as following (header is included for illustration purpose, not in real PED file):

   famid pid fid mid sex age trait

   famid pid fid mid sex age trait