Class reexecution

hdr/sqlite_modern_cpp/errors.h:40–40

		class more_rows: public sqlite_exception { using sqlite_exception::sqlite_exception; };
		class no_rows: public sqlite_exception { using sqlite_exception::sqlite_exception; };
		class reexecution: public sqlite_exception { using sqlite_exception::sqlite_exception; }; // Prepared statements need to be reset before calling them again 
		class more_statements: public sqlite_exception { using sqlite_exception::sqlite_exception; }; // Prepared statements can only contain one statement

		static void throw_sqlite_error(const int& error_code, const std::string &sql = "") {