Resolve #40: Fix SCPI_ParamCopyText and add test

Jan Breuer

2015-08-24 8ac7373d9f4e675256c384ba7ce91a6d58742edf

 libscpi/src/parser.c

@@ -770,6 +770,10 @@
                        i_from++;
                    }
                }
                *copy_len = i_to;
                if (i_to < buffer_len) {
                    buffer[i_to] = 0;
                }
                break;
            default:
                SCPI_ErrorPush(context, SCPI_ERROR_DATA_TYPE_ERROR);