2013-05-14 Chris Wallace * v1.5 added vignette 2013-04-08 Chris Wallace * v1.04 editted write.snphap function to enforce snphap default allele coding, and recode indels where necessary. 2013-03-20 Chris Wallace * v1.03 added write.snphap function 2013-01-28 Chris Wallace * v1.02 updated write_mach to allow specification of pedigree, member etc rather than assuming all samples are unrelated 2012-12-11 Chris Wallace * v1.01 added "\r\n" eol characters on Windows platforms