Struct generation complete, pipes to stdout

* Database driver config & flag complete
* Table flag complete, will use all tables if non specified

dbdrivers/postgres_driver_test.go

@@ -0,0 +1,9 @@
+package dbdrivers
+
+import "testing"
+
+func TestFlow(t *testing.T) {
+	// driver := NewPostgresDriver("test", "pass", "dbname", "localhost", 3456)
+	// defer driver.Close()
+	// driver.GetTableInfo()
+}