## here we hardcode the default URL value from where to fetch the known variant MAF values from the ESP project
## as well as determine the default package name
MafDbESPdefaultURL <- "http://evs.gs.washington.edu/evs_bulk_data/ESP6500SI-V2-SSA137.dbSNP138-rsIDs.snps_indels.vcf.tar.gz"
MafDbESPdefaultPkgName <- "MafDb.ESP6500SI.V2.SSA137.dbSNP138"
