Working on #149.
Merge remote-tracking branch 'origin/master'
BulkCopy refactoring.
Access BulkCopy.
Firebird BulkCopy.
Informix  BulkCopy.
PostgreSQL BulkCopy.
SqlCe BulkCopy.
SQLite BulkCopy.
Sybase BulkCopy.
Formatting.
Fixed BulkCopy parameters.