Renamed get.sapa
Renamed sapa.table()
Fixed sapa.db() username.  Fixed get.sapa() table check.  Added filename argument to get.sapa.  Added 'RIDpage' check to clean.sapa() for graceful handling of older tables without RIDpage. Renamed get.sapa() to merge.sapa()
Merge branch 'master' of https://github.com/frenchja/SAPATools