Fixed bug if there was more than one date column.
Took out this function because too many sites are more than 8 digits.
Removed formatCheckSiteNumber
Took out formatCheckSiteNumber.
Added false example.
Added multi-site option.
Removed interactive option from site info.
Took out expanded requirement.
Removed check for 8 digits, added option for multiple sites.
Changed sample data.
Got example working.
Updated help files.
Latest vignette build.