Can use the parameter list in the query window now.

Still requires extensive testing for all possible types.

src/PgsqlConn.h

@@ -41,6 +41,7 @@ namespace Pgsql {
 
 
 	class Result;
+	class Params;
 
 
 
@@ -126,6 +127,8 @@ namespace Pgsql {
 			return sendQuery(command.toUtf8().data());
 		}
 
+		bool sendQueryParams(const char * command, const Params &params);
+
 		std::shared_ptr<Result> getResult();
 
 		bool consumeInput();