export  new DBI extension
dbGetScalar,
dbNonQuery,
dbTransaction,
dbBulkCopy
refactoring: reindent code
dropProc internal function
change dbGetScalar call by the new dbGetNonQuery
fix bug in row.name stypes
pretty sql expceptions messages
dbGetScalar: put constaint in generics
dbNonQuery
get.command to factorize dbGetQuery, dbNonQuery,dbGetScalar.
remove duplicated test
fix some tests
add new folder ressources for tests
here I put for example SQL code. Should be exported to examples.